1640391485

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1487}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 2076295680

約数和(自身を除く): 435904195

約数列:

[1, 5, 37, 67, 89, 185, 335, 445, 1487, 2479, 3293, 5963, 7435, 12395, 16465, 29815, 55019, 99629, 132343, 220631, 275095, 498145, 661715, 1103155, 3686273, 4896691, 8866981, 18431365, 24483455, 44334905, 328078297, 1640391485]

約数ペア:

[(1, 1640391485), (5, 328078297), (37, 44334905), (67, 24483455), (89, 18431365), (185, 8866981), (335, 4896691), (445, 3686273), (1487, 1103155), (2479, 661715), (3293, 498145), (5963, 275095), (7435, 220631), (12395, 132343), (16465, 99629), (29815, 55019)]