31171530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 81139968

約数和(自身を除く): 49968438

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 257, 311, 390, 514, 622, 771, 933, 1285, 1542, 1555, 1866, 2570, 3110, 3341, 3855, 4043, 4665, 6682, 7710, 8086, 9330, 10023, 12129, 16705, 20046, 20215, 24258, 33410, 40430, 50115, 60645, 79927, 100230, 121290, 159854, 239781, 399635, 479562, 799270, 1039051, 1198905, 2078102, 2397810, 3117153, 5195255, 6234306, 10390510, 15585765, 31171530]

約数ペア:

[(1, 31171530), (2, 15585765), (3, 10390510), (5, 6234306), (6, 5195255), (10, 3117153), (13, 2397810), (15, 2078102), (26, 1198905), (30, 1039051), (39, 799270), (65, 479562), (78, 399635), (130, 239781), (195, 159854), (257, 121290), (311, 100230), (390, 79927), (514, 60645), (622, 50115), (771, 40430), (933, 33410), (1285, 24258), (1542, 20215), (1555, 20046), (1866, 16705), (2570, 12129), (3110, 10023), (3341, 9330), (3855, 8086), (4043, 7710), (4665, 6682)]