856555784

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{1151}}^1$

素因数の和:1398

約数の個数: 64

約数和(自身を含む): 1869557760

約数和(自身を除く): 1013001976

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 137, 194, 274, 388, 548, 679, 776, 959, 1096, 1151, 1358, 1918, 2302, 2716, 3836, 4604, 5432, 7672, 8057, 9208, 13289, 16114, 26578, 32228, 53156, 64456, 93023, 106312, 111647, 157687, 186046, 223294, 315374, 372092, 446588, 630748, 744184, 781529, 893176, 1103809, 1261496, 1563058, 2207618, 3126116, 4415236, 6252232, 8830472, 15295639, 30591278, 61182556, 107069473, 122365112, 214138946, 428277892, 856555784]

約数ペア:

[(1, 856555784), (2, 428277892), (4, 214138946), (7, 122365112), (8, 107069473), (14, 61182556), (28, 30591278), (56, 15295639), (97, 8830472), (137, 6252232), (194, 4415236), (274, 3126116), (388, 2207618), (548, 1563058), (679, 1261496), (776, 1103809), (959, 893176), (1096, 781529), (1151, 744184), (1358, 630748), (1918, 446588), (2302, 372092), (2716, 315374), (3836, 223294), (4604, 186046), (5432, 157687), (7672, 111647), (8057, 106312), (9208, 93023), (13289, 64456), (16114, 53156), (26578, 32228)]