390673408

素因数分解:

$2^{10}\times {\mathrm{31}}^2\times {\mathrm{397}}^1$

素因数の和:479

約数の個数: 66

約数和(自身を含む): 809003058

約数和(自身を除く): 418329650

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 397, 496, 512, 794, 961, 992, 1024, 1588, 1922, 1984, 3176, 3844, 3968, 6352, 7688, 7936, 12307, 12704, 15376, 15872, 24614, 25408, 30752, 31744, 49228, 50816, 61504, 98456, 101632, 123008, 196912, 203264, 246016, 381517, 393824, 406528, 492032, 763034, 787648, 984064, 1526068, 1575296, 3052136, 3150592, 6104272, 6301184, 12208544, 12602368, 24417088, 48834176, 97668352, 195336704, 390673408]

約数ペア:

[(1, 390673408), (2, 195336704), (4, 97668352), (8, 48834176), (16, 24417088), (31, 12602368), (32, 12208544), (62, 6301184), (64, 6104272), (124, 3150592), (128, 3052136), (248, 1575296), (256, 1526068), (397, 984064), (496, 787648), (512, 763034), (794, 492032), (961, 406528), (992, 393824), (1024, 381517), (1588, 246016), (1922, 203264), (1984, 196912), (3176, 123008), (3844, 101632), (3968, 98456), (6352, 61504), (7688, 50816), (7936, 49228), (12307, 31744), (12704, 30752), (15376, 25408), (15872, 24614)]