1997366930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{415253}}^1$

素因数の和:415310

約数の個数: 32

約数和(自身を含む): 3976472304

約数和(自身を除く): 1979105374

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 415253, 830506, 2076265, 4152530, 5398289, 10796578, 15364361, 26991445, 30728722, 53982890, 76821805, 153643610, 199736693, 399473386, 998683465, 1997366930]

約数ペア:

[(1, 1997366930), (2, 998683465), (5, 399473386), (10, 199736693), (13, 153643610), (26, 76821805), (37, 53982890), (65, 30728722), (74, 26991445), (130, 15364361), (185, 10796578), (370, 5398289), (481, 4152530), (962, 2076265), (2405, 830506), (4810, 415253)]