64987010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 132689664

約数和(自身を除く): 67702654

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 71, 106, 110, 142, 157, 265, 314, 355, 530, 583, 710, 781, 785, 1166, 1562, 1570, 1727, 2915, 3454, 3763, 3905, 5830, 7526, 7810, 8321, 8635, 11147, 16642, 17270, 18815, 22294, 37630, 41393, 41605, 55735, 82786, 83210, 91531, 111470, 122617, 183062, 206965, 245234, 413930, 457655, 590791, 613085, 915310, 1181582, 1226170, 2953955, 5907910, 6498701, 12997402, 32493505, 64987010]

約数ペア:

[(1, 64987010), (2, 32493505), (5, 12997402), (10, 6498701), (11, 5907910), (22, 2953955), (53, 1226170), (55, 1181582), (71, 915310), (106, 613085), (110, 590791), (142, 457655), (157, 413930), (265, 245234), (314, 206965), (355, 183062), (530, 122617), (583, 111470), (710, 91531), (781, 83210), (785, 82786), (1166, 55735), (1562, 41605), (1570, 41393), (1727, 37630), (2915, 22294), (3454, 18815), (3763, 17270), (3905, 16642), (5830, 11147), (7526, 8635), (7810, 8321)]