396405984

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1663}}^1$

素因数の和:1880

約数の個数: 96

約数和(自身を含む): 1127153664

約数和(自身を除く): 730747680

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 191, 208, 312, 382, 416, 573, 624, 764, 1146, 1248, 1528, 1663, 2292, 2483, 3056, 3326, 4584, 4966, 4989, 6112, 6652, 7449, 9168, 9932, 9978, 13304, 14898, 18336, 19864, 19956, 21619, 26608, 29796, 39728, 39912, 43238, 53216, 59592, 64857, 79456, 79824, 86476, 119184, 129714, 159648, 172952, 238368, 259428, 317633, 345904, 518856, 635266, 691808, 952899, 1037712, 1270532, 1905798, 2075424, 2541064, 3811596, 4129229, 5082128, 7623192, 8258458, 10164256, 12387687, 15246384, 16516916, 24775374, 30492768, 33033832, 49550748, 66067664, 99101496, 132135328, 198202992, 396405984]

約数ペア:

[(1, 396405984), (2, 198202992), (3, 132135328), (4, 99101496), (6, 66067664), (8, 49550748), (12, 33033832), (13, 30492768), (16, 24775374), (24, 16516916), (26, 15246384), (32, 12387687), (39, 10164256), (48, 8258458), (52, 7623192), (78, 5082128), (96, 4129229), (104, 3811596), (156, 2541064), (191, 2075424), (208, 1905798), (312, 1270532), (382, 1037712), (416, 952899), (573, 691808), (624, 635266), (764, 518856), (1146, 345904), (1248, 317633), (1528, 259428), (1663, 238368), (2292, 172952), (2483, 159648), (3056, 129714), (3326, 119184), (4584, 86476), (4966, 79824), (4989, 79456), (6112, 64857), (6652, 59592), (7449, 53216), (9168, 43238), (9932, 39912), (9978, 39728), (13304, 29796), (14898, 26608), (18336, 21619), (19864, 19956)]