251515264

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 680935680

約数和(自身を除く): 429420416

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 112, 128, 143, 151, 154, 169, 176, 182, 208, 224, 286, 302, 308, 338, 352, 364, 416, 448, 572, 604, 616, 676, 704, 728, 832, 896, 1001, 1057, 1144, 1183, 1208, 1232, 1352, 1408, 1456, 1661, 1664, 1859, 1963, 2002, 2114, 2288, 2366, 2416, 2464, 2704, 2912, 3322, 3718, 3926, 4004, 4228, 4576, 4732, 4832, 4928, 5408, 5824, 6644, 7436, 7852, 8008, 8456, 9152, 9464, 9664, 9856, 10816, 11627, 11648, 13013, 13288, 13741, 14872, 15704, 16016, 16912, 18304, 18928, 19328, 21593, 21632, 23254, 25519, 26026, 26576, 27482, 29744, 31408, 32032, 33824, 37856, 43186, 46508, 51038, 52052, 53152, 54964, 59488, 62816, 64064, 67648, 75712, 86372, 93016, 102076, 104104, 106304, 109928, 118976, 125632, 128128, 135296, 151151, 151424, 172744, 178633, 186032, 204152, 208208, 212608, 219856, 237952, 251264, 280709, 302302, 345488, 357266, 372064, 408304, 416416, 439712, 561418, 604604, 690976, 714532, 744128, 816608, 832832, 879424, 1122836, 1209208, 1381952, 1429064, 1488256, 1633216, 1665664, 1758848, 1964963, 2245672, 2418416, 2763904, 2858128, 3266432, 3929926, 4491344, 4836832, 5716256, 7859852, 8982688, 9673664, 11432512, 15719704, 17965376, 19347328, 22865024, 31439408, 35930752, 62878816, 125757632, 251515264]

約数ペア:

[(1, 251515264), (2, 125757632), (4, 62878816), (7, 35930752), (8, 31439408), (11, 22865024), (13, 19347328), (14, 17965376), (16, 15719704), (22, 11432512), (26, 9673664), (28, 8982688), (32, 7859852), (44, 5716256), (52, 4836832), (56, 4491344), (64, 3929926), (77, 3266432), (88, 2858128), (91, 2763904), (104, 2418416), (112, 2245672), (128, 1964963), (143, 1758848), (151, 1665664), (154, 1633216), (169, 1488256), (176, 1429064), (182, 1381952), (208, 1209208), (224, 1122836), (286, 879424), (302, 832832), (308, 816608), (338, 744128), (352, 714532), (364, 690976), (416, 604604), (448, 561418), (572, 439712), (604, 416416), (616, 408304), (676, 372064), (704, 357266), (728, 345488), (832, 302302), (896, 280709), (1001, 251264), (1057, 237952), (1144, 219856), (1183, 212608), (1208, 208208), (1232, 204152), (1352, 186032), (1408, 178633), (1456, 172744), (1661, 151424), (1664, 151151), (1859, 135296), (1963, 128128), (2002, 125632), (2114, 118976), (2288, 109928), (2366, 106304), (2416, 104104), (2464, 102076), (2704, 93016), (2912, 86372), (3322, 75712), (3718, 67648), (3926, 64064), (4004, 62816), (4228, 59488), (4576, 54964), (4732, 53152), (4832, 52052), (4928, 51038), (5408, 46508), (5824, 43186), (6644, 37856), (7436, 33824), (7852, 32032), (8008, 31408), (8456, 29744), (9152, 27482), (9464, 26576), (9664, 26026), (9856, 25519), (10816, 23254), (11627, 21632), (11648, 21593), (13013, 19328), (13288, 18928), (13741, 18304), (14872, 16912), (15704, 16016)]