639822768

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2557}}^1$

素因数の和:2982

約数の個数: 80

約数和(自身を含む): 1785156576

約数和(自身を除く): 1145333808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 401, 624, 802, 1203, 1604, 2406, 2557, 3208, 4812, 5114, 5213, 6416, 7671, 9624, 10228, 10426, 15342, 15639, 19248, 20456, 20852, 30684, 31278, 33241, 40912, 41704, 61368, 62556, 66482, 83408, 99723, 122736, 125112, 132964, 199446, 250224, 265928, 398892, 531856, 797784, 1025357, 1595568, 2050714, 3076071, 4101428, 6152142, 8202856, 12304284, 13329641, 16405712, 24608568, 26659282, 39988923, 49217136, 53318564, 79977846, 106637128, 159955692, 213274256, 319911384, 639822768]

約数ペア:

[(1, 639822768), (2, 319911384), (3, 213274256), (4, 159955692), (6, 106637128), (8, 79977846), (12, 53318564), (13, 49217136), (16, 39988923), (24, 26659282), (26, 24608568), (39, 16405712), (48, 13329641), (52, 12304284), (78, 8202856), (104, 6152142), (156, 4101428), (208, 3076071), (312, 2050714), (401, 1595568), (624, 1025357), (802, 797784), (1203, 531856), (1604, 398892), (2406, 265928), (2557, 250224), (3208, 199446), (4812, 132964), (5114, 125112), (5213, 122736), (6416, 99723), (7671, 83408), (9624, 66482), (10228, 62556), (10426, 61368), (15342, 41704), (15639, 40912), (19248, 33241), (20456, 31278), (20852, 30684)]