447777668

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 879278400

約数和(自身を除く): 431500732

約数列:

[1, 2, 4, 13, 26, 52, 59, 103, 109, 118, 169, 206, 218, 236, 338, 412, 436, 676, 767, 1339, 1417, 1534, 2678, 2834, 3068, 5356, 5668, 6077, 6431, 9971, 11227, 12154, 12862, 17407, 18421, 19942, 22454, 24308, 25724, 34814, 36842, 39884, 44908, 69628, 73684, 79001, 83603, 145951, 158002, 167206, 291902, 316004, 334412, 583804, 662393, 1027013, 1086839, 1324786, 1897363, 2054026, 2173678, 2649572, 3794726, 4108052, 4347356, 7589452, 8611109, 17222218, 34444436, 111944417, 223888834, 447777668]

約数ペア:

[(1, 447777668), (2, 223888834), (4, 111944417), (13, 34444436), (26, 17222218), (52, 8611109), (59, 7589452), (103, 4347356), (109, 4108052), (118, 3794726), (169, 2649572), (206, 2173678), (218, 2054026), (236, 1897363), (338, 1324786), (412, 1086839), (436, 1027013), (676, 662393), (767, 583804), (1339, 334412), (1417, 316004), (1534, 291902), (2678, 167206), (2834, 158002), (3068, 145951), (5356, 83603), (5668, 79001), (6077, 73684), (6431, 69628), (9971, 44908), (11227, 39884), (12154, 36842), (12862, 34814), (17407, 25724), (18421, 24308), (19942, 22454)]