401139838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^2$

素因数の和:940

約数の個数: 24

約数和(自身を含む): 664056360

約数和(自身を除く): 262916522

約数列:

[1, 2, 11, 22, 109, 218, 409, 818, 1199, 2398, 4499, 8998, 44581, 89162, 167281, 334562, 490391, 980782, 1840091, 3680182, 18233629, 36467258, 200569919, 401139838]

約数ペア:

[(1, 401139838), (2, 200569919), (11, 36467258), (22, 18233629), (109, 3680182), (218, 1840091), (409, 980782), (818, 490391), (1199, 334562), (2398, 167281), (4499, 89162), (8998, 44581)]