64420895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1123}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 97113600

約数和(自身を除く): 32692705

約数列:

[1, 5, 7, 11, 35, 55, 77, 149, 385, 745, 1043, 1123, 1639, 5215, 5615, 7861, 8195, 11473, 12353, 39305, 57365, 61765, 86471, 167327, 432355, 836635, 1171289, 1840597, 5856445, 9202985, 12884179, 64420895]

約数ペア:

[(1, 64420895), (5, 12884179), (7, 9202985), (11, 5856445), (35, 1840597), (55, 1171289), (77, 836635), (149, 432355), (385, 167327), (745, 86471), (1043, 61765), (1123, 57365), (1639, 39305), (5215, 12353), (5615, 11473), (7861, 8195)]