28261636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{397}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 54878628

約数和(自身を除く): 26616992

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 397, 481, 794, 962, 1369, 1588, 1924, 2738, 5161, 5476, 10322, 14689, 17797, 20644, 29378, 35594, 58756, 71188, 190957, 381914, 543493, 763828, 1086986, 2173972, 7065409, 14130818, 28261636]

約数ペア:

[(1, 28261636), (2, 14130818), (4, 7065409), (13, 2173972), (26, 1086986), (37, 763828), (52, 543493), (74, 381914), (148, 190957), (397, 71188), (481, 58756), (794, 35594), (962, 29378), (1369, 20644), (1588, 17797), (1924, 14689), (2738, 10322), (5161, 5476)]