31589290

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 58314960

約数和(自身を除く): 26725670

約数列:

[1, 2, 5, 10, 73, 109, 146, 218, 365, 397, 545, 730, 794, 1090, 1985, 3970, 7957, 15914, 28981, 39785, 43273, 57962, 79570, 86546, 144905, 216365, 289810, 432730, 3158929, 6317858, 15794645, 31589290]

約数ペア:

[(1, 31589290), (2, 15794645), (5, 6317858), (10, 3158929), (73, 432730), (109, 289810), (146, 216365), (218, 144905), (365, 86546), (397, 79570), (545, 57962), (730, 43273), (794, 39785), (1090, 28981), (1985, 15914), (3970, 7957)]