138821072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2659}}^1$

素因数の和:2931

約数の個数: 40

約数和(自身を含む): 290918880

約数和(自身を除く): 152097808

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 251, 502, 1004, 2008, 2659, 3263, 4016, 5318, 6526, 10636, 13052, 21272, 26104, 34567, 42544, 52208, 69134, 138268, 276536, 553072, 667409, 1334818, 2669636, 5339272, 8676317, 10678544, 17352634, 34705268, 69410536, 138821072]

約数ペア:

[(1, 138821072), (2, 69410536), (4, 34705268), (8, 17352634), (13, 10678544), (16, 8676317), (26, 5339272), (52, 2669636), (104, 1334818), (208, 667409), (251, 553072), (502, 276536), (1004, 138268), (2008, 69134), (2659, 52208), (3263, 42544), (4016, 34567), (5318, 26104), (6526, 21272), (10636, 13052)]