256436628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 699439104

約数和(自身を除く): 443002476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 107, 206, 214, 277, 309, 321, 412, 428, 554, 618, 642, 721, 749, 831, 1108, 1236, 1284, 1442, 1498, 1662, 1939, 2163, 2247, 2884, 2996, 3324, 3878, 4326, 4494, 5817, 7756, 8652, 8988, 11021, 11634, 22042, 23268, 28531, 29639, 33063, 44084, 57062, 59278, 66126, 77147, 85593, 88917, 114124, 118556, 132252, 154294, 171186, 177834, 199717, 207473, 231441, 308588, 342372, 355668, 399434, 414946, 462882, 599151, 622419, 798868, 829892, 925764, 1198302, 1244838, 2396604, 2489676, 3052817, 6105634, 9158451, 12211268, 18316902, 21369719, 36633804, 42739438, 64109157, 85478876, 128218314, 256436628]

約数ペア:

[(1, 256436628), (2, 128218314), (3, 85478876), (4, 64109157), (6, 42739438), (7, 36633804), (12, 21369719), (14, 18316902), (21, 12211268), (28, 9158451), (42, 6105634), (84, 3052817), (103, 2489676), (107, 2396604), (206, 1244838), (214, 1198302), (277, 925764), (309, 829892), (321, 798868), (412, 622419), (428, 599151), (554, 462882), (618, 414946), (642, 399434), (721, 355668), (749, 342372), (831, 308588), (1108, 231441), (1236, 207473), (1284, 199717), (1442, 177834), (1498, 171186), (1662, 154294), (1939, 132252), (2163, 118556), (2247, 114124), (2884, 88917), (2996, 85593), (3324, 77147), (3878, 66126), (4326, 59278), (4494, 57062), (5817, 44084), (7756, 33063), (8652, 29639), (8988, 28531), (11021, 23268), (11634, 22042)]