890216646

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1693}}^1$

素因数の和:1997

約数の個数: 64

約数和(自身を含む): 2013935616

約数和(自身を除く): 1123718970

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 186, 257, 341, 514, 682, 771, 1023, 1542, 1693, 2046, 2827, 3386, 5079, 5654, 7967, 8481, 10158, 15934, 16962, 18623, 23901, 37246, 47802, 52483, 55869, 87637, 104966, 111738, 157449, 175274, 262911, 314898, 435101, 525822, 577313, 870202, 1154626, 1305303, 1731939, 2610606, 3463878, 4786111, 9572222, 13488131, 14358333, 26976262, 28716666, 40464393, 80928786, 148369441, 296738882, 445108323, 890216646]

約数ペア:

[(1, 890216646), (2, 445108323), (3, 296738882), (6, 148369441), (11, 80928786), (22, 40464393), (31, 28716666), (33, 26976262), (62, 14358333), (66, 13488131), (93, 9572222), (186, 4786111), (257, 3463878), (341, 2610606), (514, 1731939), (682, 1305303), (771, 1154626), (1023, 870202), (1542, 577313), (1693, 525822), (2046, 435101), (2827, 314898), (3386, 262911), (5079, 175274), (5654, 157449), (7967, 111738), (8481, 104966), (10158, 87637), (15934, 55869), (16962, 52483), (18623, 47802), (23901, 37246)]