65644696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 141120000

約数和(自身を除く): 75475304

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 139, 152, 239, 247, 278, 478, 494, 556, 956, 988, 1112, 1807, 1912, 1976, 2641, 3107, 3614, 4541, 5282, 6214, 7228, 9082, 10564, 12428, 14456, 18164, 21128, 24856, 33221, 34333, 36328, 59033, 66442, 68666, 118066, 132884, 137332, 236132, 265768, 274664, 431873, 472264, 631199, 863746, 1262398, 1727492, 2524796, 3454984, 5049592, 8205587, 16411174, 32822348, 65644696]

約数ペア:

[(1, 65644696), (2, 32822348), (4, 16411174), (8, 8205587), (13, 5049592), (19, 3454984), (26, 2524796), (38, 1727492), (52, 1262398), (76, 863746), (104, 631199), (139, 472264), (152, 431873), (239, 274664), (247, 265768), (278, 236132), (478, 137332), (494, 132884), (556, 118066), (956, 68666), (988, 66442), (1112, 59033), (1807, 36328), (1912, 34333), (1976, 33221), (2641, 24856), (3107, 21128), (3614, 18164), (4541, 14456), (5282, 12428), (6214, 10564), (7228, 9082)]