831321490

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{238201}}^1$

素因数の和:238557

約数の個数: 16

約数和(自身を含む): 1500672600

約数和(自身を除く): 669351110

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 238201, 476402, 1191005, 2382010, 83132149, 166264298, 415660745, 831321490]

約数ペア:

[(1, 831321490), (2, 415660745), (5, 166264298), (10, 83132149), (349, 2382010), (698, 1191005), (1745, 476402), (3490, 238201)]