40781992

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{137777}}^1$

素因数の和:137820

約数の個数: 16

約数和(自身を含む): 78533460

約数和(自身を除く): 37751468

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 137777, 275554, 551108, 1102216, 5097749, 10195498, 20390996, 40781992]

約数ペア:

[(1, 40781992), (2, 20390996), (4, 10195498), (8, 5097749), (37, 1102216), (74, 551108), (148, 275554), (296, 137777)]