247686528

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{20807}}^1$

素因数の和:20855

約数の個数: 64

約数和(自身を含む): 679173120

約数和(自身を除く): 431486592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1984, 2976, 3968, 5952, 11904, 20807, 41614, 62421, 83228, 124842, 166456, 249684, 332912, 499368, 645017, 665824, 998736, 1290034, 1331648, 1935051, 1997472, 2580068, 2663296, 3870102, 3994944, 5160136, 7740204, 7989888, 10320272, 15480408, 20640544, 30960816, 41281088, 61921632, 82562176, 123843264, 247686528]

約数ペア:

[(1, 247686528), (2, 123843264), (3, 82562176), (4, 61921632), (6, 41281088), (8, 30960816), (12, 20640544), (16, 15480408), (24, 10320272), (31, 7989888), (32, 7740204), (48, 5160136), (62, 3994944), (64, 3870102), (93, 2663296), (96, 2580068), (124, 1997472), (128, 1935051), (186, 1331648), (192, 1290034), (248, 998736), (372, 665824), (384, 645017), (496, 499368), (744, 332912), (992, 249684), (1488, 166456), (1984, 124842), (2976, 83228), (3968, 62421), (5952, 41614), (11904, 20807)]