401291776

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:373

約数の個数: 80

約数和(自身を含む): 838303488

約数和(自身を除く): 437011712

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 131, 193, 248, 256, 262, 386, 496, 512, 524, 772, 992, 1048, 1544, 1984, 2096, 3088, 3968, 4061, 4192, 5983, 6176, 7936, 8122, 8384, 11966, 12352, 15872, 16244, 16768, 23932, 24704, 25283, 32488, 33536, 47864, 49408, 50566, 64976, 67072, 95728, 98816, 101132, 129952, 191456, 202264, 259904, 382912, 404528, 519808, 765824, 783773, 809056, 1039616, 1531648, 1567546, 1618112, 2079232, 3063296, 3135092, 3236224, 6270184, 6472448, 12540368, 12944896, 25080736, 50161472, 100322944, 200645888, 401291776]

約数ペア:

[(1, 401291776), (2, 200645888), (4, 100322944), (8, 50161472), (16, 25080736), (31, 12944896), (32, 12540368), (62, 6472448), (64, 6270184), (124, 3236224), (128, 3135092), (131, 3063296), (193, 2079232), (248, 1618112), (256, 1567546), (262, 1531648), (386, 1039616), (496, 809056), (512, 783773), (524, 765824), (772, 519808), (992, 404528), (1048, 382912), (1544, 259904), (1984, 202264), (2096, 191456), (3088, 129952), (3968, 101132), (4061, 98816), (4192, 95728), (5983, 67072), (6176, 64976), (7936, 50566), (8122, 49408), (8384, 47864), (11966, 33536), (12352, 32488), (15872, 25283), (16244, 24704), (16768, 23932)]