678243986

素因数分解:

$2^1\times 7^2\times {\mathrm{2089}}^1\times {\mathrm{3313}}^1$

素因数の和:5418

約数の個数: 24

約数和(自身を含む): 1184390460

約数和(自身を除く): 506146474

約数列:

[1, 2, 7, 14, 49, 98, 2089, 3313, 4178, 6626, 14623, 23191, 29246, 46382, 102361, 162337, 204722, 324674, 6920857, 13841714, 48445999, 96891998, 339121993, 678243986]

約数ペア:

[(1, 678243986), (2, 339121993), (7, 96891998), (14, 48445999), (49, 13841714), (98, 6920857), (2089, 324674), (3313, 204722), (4178, 162337), (6626, 102361), (14623, 46382), (23191, 29246)]