201779890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{2399}}^1$

素因数の和:3066

約数の個数: 32

約数和(自身を含む): 391910400

約数和(自身を除く): 190130510

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 647, 1294, 2399, 3235, 4798, 6470, 8411, 11995, 16822, 23990, 31187, 42055, 62374, 84110, 155935, 311870, 1552153, 3104306, 7760765, 15521530, 20177989, 40355978, 100889945, 201779890]

約数ペア:

[(1, 201779890), (2, 100889945), (5, 40355978), (10, 20177989), (13, 15521530), (26, 7760765), (65, 3104306), (130, 1552153), (647, 311870), (1294, 155935), (2399, 84110), (3235, 62374), (4798, 42055), (6470, 31187), (8411, 23990), (11995, 16822)]