64964390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 119590560

約数和(自身を除く): 54626170

約数列:

[1, 2, 5, 10, 61, 122, 281, 305, 379, 562, 610, 758, 1405, 1895, 2810, 3790, 17141, 23119, 34282, 46238, 85705, 106499, 115595, 171410, 212998, 231190, 532495, 1064990, 6496439, 12992878, 32482195, 64964390]

約数ペア:

[(1, 64964390), (2, 32482195), (5, 12992878), (10, 6496439), (61, 1064990), (122, 532495), (281, 231190), (305, 212998), (379, 171410), (562, 115595), (610, 106499), (758, 85705), (1405, 46238), (1895, 34282), (2810, 23119), (3790, 17141)]