81529656

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20101}}^1$

素因数の和:20136

約数の個数: 48

約数和(自身を含む): 220719960

約数和(自身を除く): 139190304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 20101, 40202, 60303, 80404, 120606, 160808, 241212, 261313, 482424, 522626, 783939, 1045252, 1567878, 2090504, 3135756, 3397069, 6271512, 6794138, 10191207, 13588276, 20382414, 27176552, 40764828, 81529656]

約数ペア:

[(1, 81529656), (2, 40764828), (3, 27176552), (4, 20382414), (6, 13588276), (8, 10191207), (12, 6794138), (13, 6271512), (24, 3397069), (26, 3135756), (39, 2090504), (52, 1567878), (78, 1045252), (104, 783939), (156, 522626), (169, 482424), (312, 261313), (338, 241212), (507, 160808), (676, 120606), (1014, 80404), (1352, 60303), (2028, 40202), (4056, 20101)]