78435252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{709}}^1$

素因数の和:1165

約数の個数: 72

約数和(自身を含む): 227427200

約数和(自身を除く): 148991948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 439, 709, 878, 1317, 1418, 1756, 2127, 2634, 2836, 3073, 3951, 4254, 4963, 5268, 6146, 6381, 7902, 8508, 9219, 9926, 12292, 12762, 14889, 15804, 18438, 19852, 25524, 27657, 29778, 36876, 44667, 55314, 59556, 89334, 110628, 178668, 311251, 622502, 933753, 1245004, 1867506, 2178757, 2801259, 3735012, 4357514, 5602518, 6536271, 8715028, 11205036, 13072542, 19608813, 26145084, 39217626, 78435252]

約数ペア:

[(1, 78435252), (2, 39217626), (3, 26145084), (4, 19608813), (6, 13072542), (7, 11205036), (9, 8715028), (12, 6536271), (14, 5602518), (18, 4357514), (21, 3735012), (28, 2801259), (36, 2178757), (42, 1867506), (63, 1245004), (84, 933753), (126, 622502), (252, 311251), (439, 178668), (709, 110628), (878, 89334), (1317, 59556), (1418, 55314), (1756, 44667), (2127, 36876), (2634, 29778), (2836, 27657), (3073, 25524), (3951, 19852), (4254, 18438), (4963, 15804), (5268, 14889), (6146, 12762), (6381, 12292), (7902, 9926), (8508, 9219)]