638526242588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{20921}}^1\times {\mathrm{586939}}^1$

素因数の和:607877

約数の個数: 24

約数和(自身を含む): 1203435950640

約数和(自身を除く): 564909708052

約数列:

[1, 2, 4, 13, 26, 52, 20921, 41842, 83684, 271973, 543946, 586939, 1087892, 1173878, 2347756, 7630207, 15260414, 30520828, 12279350819, 24558701638, 49117403276, 159631560647, 319263121294, 638526242588]

約数ペア:

[(1, 638526242588), (2, 319263121294), (4, 159631560647), (13, 49117403276), (26, 24558701638), (52, 12279350819), (20921, 30520828), (41842, 15260414), (83684, 7630207), (271973, 2347756), (543946, 1173878), (586939, 1087892)]