388777610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{3061}}^1$

素因数の和:4058

約数の個数: 32

約数和(自身を含む): 754648272

約数和(自身を除く): 365870662

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 977, 1954, 3061, 4885, 6122, 9770, 12701, 15305, 25402, 30610, 39793, 63505, 79586, 127010, 198965, 397930, 2990597, 5981194, 14952985, 29905970, 38877761, 77755522, 194388805, 388777610]

約数ペア:

[(1, 388777610), (2, 194388805), (5, 77755522), (10, 38877761), (13, 29905970), (26, 14952985), (65, 5981194), (130, 2990597), (977, 397930), (1954, 198965), (3061, 127010), (4885, 79586), (6122, 63505), (9770, 39793), (12701, 30610), (15305, 25402)]