64857790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{547}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 119314944

約数和(自身を除く): 54457154

約数列:

[1, 2, 5, 10, 71, 142, 167, 334, 355, 547, 710, 835, 1094, 1670, 2735, 5470, 11857, 23714, 38837, 59285, 77674, 91349, 118570, 182698, 194185, 388370, 456745, 913490, 6485779, 12971558, 32428895, 64857790]

約数ペア:

[(1, 64857790), (2, 32428895), (5, 12971558), (10, 6485779), (71, 913490), (142, 456745), (167, 388370), (334, 194185), (355, 182698), (547, 118570), (710, 91349), (835, 77674), (1094, 59285), (1670, 38837), (2735, 23714), (5470, 11857)]