31497156730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{377981}}^1$

素因数の和:378642

約数の個数: 32

約数和(自身を含む): 61151439888

約数和(自身を除く): 29654283158

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 641, 1282, 3205, 6410, 8333, 16666, 41665, 83330, 377981, 755962, 1889905, 3779810, 4913753, 9827506, 24568765, 49137530, 242285821, 484571642, 1211429105, 2422858210, 3149715673, 6299431346, 15748578365, 31497156730]

約数ペア:

[(1, 31497156730), (2, 15748578365), (5, 6299431346), (10, 3149715673), (13, 2422858210), (26, 1211429105), (65, 484571642), (130, 242285821), (641, 49137530), (1282, 24568765), (3205, 9827506), (6410, 4913753), (8333, 3779810), (16666, 1889905), (41665, 755962), (83330, 377981)]