64581790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70969}}^1$

素因数の和:70996

約数の個数: 32

約数和(自身を含む): 143075520

約数和(自身を除く): 78493730

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 70969, 141938, 354845, 496783, 709690, 922597, 993566, 1845194, 2483915, 4612985, 4967830, 6458179, 9225970, 12916358, 32290895, 64581790]

約数ペア:

[(1, 64581790), (2, 32290895), (5, 12916358), (7, 9225970), (10, 6458179), (13, 4967830), (14, 4612985), (26, 2483915), (35, 1845194), (65, 993566), (70, 922597), (91, 709690), (130, 496783), (182, 354845), (455, 141938), (910, 70969)]