888389630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 1690730496

約数和(自身を除く): 802340866

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 181, 223, 310, 355, 362, 446, 710, 905, 1115, 1810, 2201, 2230, 4402, 5611, 6913, 11005, 11222, 12851, 13826, 15833, 22010, 25702, 28055, 31666, 34565, 40363, 56110, 64255, 69130, 79165, 80726, 128510, 158330, 201815, 398381, 403630, 490823, 796762, 981646, 1251253, 1991905, 2454115, 2502506, 2865773, 3983810, 4908230, 5731546, 6256265, 12512530, 14328865, 28657730, 88838963, 177677926, 444194815, 888389630]

約数ペア:

[(1, 888389630), (2, 444194815), (5, 177677926), (10, 88838963), (31, 28657730), (62, 14328865), (71, 12512530), (142, 6256265), (155, 5731546), (181, 4908230), (223, 3983810), (310, 2865773), (355, 2502506), (362, 2454115), (446, 1991905), (710, 1251253), (905, 981646), (1115, 796762), (1810, 490823), (2201, 403630), (2230, 398381), (4402, 201815), (5611, 158330), (6913, 128510), (11005, 80726), (11222, 79165), (12851, 69130), (13826, 64255), (15833, 56110), (22010, 40363), (25702, 34565), (28055, 31666)]