289905426

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 655776000

約数和(自身を除く): 365870574

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 149, 263, 274, 298, 411, 447, 526, 789, 822, 894, 1233, 1341, 1578, 2367, 2466, 2682, 3699, 4023, 4734, 7101, 7398, 8046, 14202, 20413, 36031, 39187, 40826, 61239, 72062, 78374, 108093, 117561, 122478, 183717, 216186, 235122, 324279, 352683, 367434, 551151, 648558, 705366, 972837, 1058049, 1102302, 1945674, 2116098, 5368619, 10737238, 16105857, 32211714, 48317571, 96635142, 144952713, 289905426]

約数ペア:

[(1, 289905426), (2, 144952713), (3, 96635142), (6, 48317571), (9, 32211714), (18, 16105857), (27, 10737238), (54, 5368619), (137, 2116098), (149, 1945674), (263, 1102302), (274, 1058049), (298, 972837), (411, 705366), (447, 648558), (526, 551151), (789, 367434), (822, 352683), (894, 324279), (1233, 235122), (1341, 216186), (1578, 183717), (2367, 122478), (2466, 117561), (2682, 108093), (3699, 78374), (4023, 72062), (4734, 61239), (7101, 40826), (7398, 39187), (8046, 36031), (14202, 20413)]