251381312

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2539}}^1$

素因数の和:2588

約数の個数: 112

約数和(自身を含む): 650321280

約数和(自身を除く): 398939968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 136, 182, 208, 221, 224, 238, 272, 364, 416, 442, 448, 476, 544, 728, 832, 884, 952, 1088, 1456, 1547, 1768, 1904, 2539, 2912, 3094, 3536, 3808, 5078, 5824, 6188, 7072, 7616, 10156, 12376, 14144, 17773, 20312, 24752, 33007, 35546, 40624, 43163, 49504, 66014, 71092, 81248, 86326, 99008, 132028, 142184, 162496, 172652, 231049, 264056, 284368, 302141, 345304, 462098, 528112, 561119, 568736, 604282, 690608, 924196, 1056224, 1122238, 1137472, 1208564, 1381216, 1848392, 2112448, 2244476, 2417128, 2762432, 3696784, 3927833, 4488952, 4834256, 7393568, 7855666, 8977904, 9668512, 14787136, 15711332, 17955808, 19337024, 31422664, 35911616, 62845328, 125690656, 251381312]

約数ペア:

[(1, 251381312), (2, 125690656), (4, 62845328), (7, 35911616), (8, 31422664), (13, 19337024), (14, 17955808), (16, 15711332), (17, 14787136), (26, 9668512), (28, 8977904), (32, 7855666), (34, 7393568), (52, 4834256), (56, 4488952), (64, 3927833), (68, 3696784), (91, 2762432), (104, 2417128), (112, 2244476), (119, 2112448), (136, 1848392), (182, 1381216), (208, 1208564), (221, 1137472), (224, 1122238), (238, 1056224), (272, 924196), (364, 690608), (416, 604282), (442, 568736), (448, 561119), (476, 528112), (544, 462098), (728, 345304), (832, 302141), (884, 284368), (952, 264056), (1088, 231049), (1456, 172652), (1547, 162496), (1768, 142184), (1904, 132028), (2539, 99008), (2912, 86326), (3094, 81248), (3536, 71092), (3808, 66014), (5078, 49504), (5824, 43163), (6188, 40624), (7072, 35546), (7616, 33007), (10156, 24752), (12376, 20312), (14144, 17773)]