215225932

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{12487}}^1$

素因数の和:12661

約数の個数: 24

約数和(自身を含む): 391623680

約数和(自身を除く): 176397748

約数列:

[1, 2, 4, 31, 62, 124, 139, 278, 556, 4309, 8618, 12487, 17236, 24974, 49948, 387097, 774194, 1548388, 1735693, 3471386, 6942772, 53806483, 107612966, 215225932]

約数ペア:

[(1, 215225932), (2, 107612966), (4, 53806483), (31, 6942772), (62, 3471386), (124, 1735693), (139, 1548388), (278, 774194), (556, 387097), (4309, 49948), (8618, 24974), (12487, 17236)]