407649008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 885276672

約数和(自身を除く): 477627664

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 191, 208, 248, 331, 382, 403, 496, 662, 764, 806, 1324, 1528, 1612, 2483, 2648, 3056, 3224, 4303, 4966, 5296, 5921, 6448, 8606, 9932, 10261, 11842, 17212, 19864, 20522, 23684, 34424, 39728, 41044, 47368, 63221, 68848, 76973, 82088, 94736, 126442, 133393, 153946, 164176, 252884, 266786, 307892, 505768, 533572, 615784, 821873, 1011536, 1067144, 1231568, 1643746, 1959851, 2134288, 3287492, 3919702, 6574984, 7839404, 13149968, 15678808, 25478063, 31357616, 50956126, 101912252, 203824504, 407649008]

約数ペア:

[(1, 407649008), (2, 203824504), (4, 101912252), (8, 50956126), (13, 31357616), (16, 25478063), (26, 15678808), (31, 13149968), (52, 7839404), (62, 6574984), (104, 3919702), (124, 3287492), (191, 2134288), (208, 1959851), (248, 1643746), (331, 1231568), (382, 1067144), (403, 1011536), (496, 821873), (662, 615784), (764, 533572), (806, 505768), (1324, 307892), (1528, 266786), (1612, 252884), (2483, 164176), (2648, 153946), (3056, 133393), (3224, 126442), (4303, 94736), (4966, 82088), (5296, 76973), (5921, 68848), (6448, 63221), (8606, 47368), (9932, 41044), (10261, 39728), (11842, 34424), (17212, 23684), (19864, 20522)]