40807078

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 68372640

約数和(自身を除く): 27565562

約数列:

[1, 2, 13, 26, 37, 74, 169, 251, 338, 481, 502, 962, 2197, 3263, 4394, 6253, 6526, 9287, 12506, 18574, 42419, 81289, 84838, 120731, 162578, 241462, 551447, 1102894, 1569503, 3139006, 20403539, 40807078]

約数ペア:

[(1, 40807078), (2, 20403539), (13, 3139006), (26, 1569503), (37, 1102894), (74, 551447), (169, 241462), (251, 162578), (338, 120731), (481, 84838), (502, 81289), (962, 42419), (2197, 18574), (3263, 12506), (4394, 9287), (6253, 6526)]