31439408

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1$

素因数の和:203

約数の個数: 120

約数和(自身を含む): 82780416

約数和(自身を除く): 51341008

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 151, 154, 169, 176, 182, 208, 286, 302, 308, 338, 364, 572, 604, 616, 676, 728, 1001, 1057, 1144, 1183, 1208, 1232, 1352, 1456, 1661, 1859, 1963, 2002, 2114, 2288, 2366, 2416, 2704, 3322, 3718, 3926, 4004, 4228, 4732, 6644, 7436, 7852, 8008, 8456, 9464, 11627, 13013, 13288, 13741, 14872, 15704, 16016, 16912, 18928, 21593, 23254, 25519, 26026, 26576, 27482, 29744, 31408, 43186, 46508, 51038, 52052, 54964, 86372, 93016, 102076, 104104, 109928, 151151, 172744, 178633, 186032, 204152, 208208, 219856, 280709, 302302, 345488, 357266, 408304, 561418, 604604, 714532, 1122836, 1209208, 1429064, 1964963, 2245672, 2418416, 2858128, 3929926, 4491344, 7859852, 15719704, 31439408]

約数ペア:

[(1, 31439408), (2, 15719704), (4, 7859852), (7, 4491344), (8, 3929926), (11, 2858128), (13, 2418416), (14, 2245672), (16, 1964963), (22, 1429064), (26, 1209208), (28, 1122836), (44, 714532), (52, 604604), (56, 561418), (77, 408304), (88, 357266), (91, 345488), (104, 302302), (112, 280709), (143, 219856), (151, 208208), (154, 204152), (169, 186032), (176, 178633), (182, 172744), (208, 151151), (286, 109928), (302, 104104), (308, 102076), (338, 93016), (364, 86372), (572, 54964), (604, 52052), (616, 51038), (676, 46508), (728, 43186), (1001, 31408), (1057, 29744), (1144, 27482), (1183, 26576), (1208, 26026), (1232, 25519), (1352, 23254), (1456, 21593), (1661, 18928), (1859, 16912), (1963, 16016), (2002, 15704), (2114, 14872), (2288, 13741), (2366, 13288), (2416, 13013), (2704, 11627), (3322, 9464), (3718, 8456), (3926, 8008), (4004, 7852), (4228, 7436), (4732, 6644)]