71552728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{40471}}^1$

素因数の和:40507

約数の個数: 32

約数和(自身を含む): 152984160

約数和(自身を除く): 81431432

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 40471, 80942, 161884, 323768, 526123, 688007, 1052246, 1376014, 2104492, 2752028, 4208984, 5504056, 8944091, 17888182, 35776364, 71552728]

約数ペア:

[(1, 71552728), (2, 35776364), (4, 17888182), (8, 8944091), (13, 5504056), (17, 4208984), (26, 2752028), (34, 2104492), (52, 1376014), (68, 1052246), (104, 688007), (136, 526123), (221, 323768), (442, 161884), (884, 80942), (1768, 40471)]