312121212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{2437}}^1$

素因数の和:3278

約数の個数: 48

約数和(自身を含む): 785582112

約数和(自身を除く): 473460900

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 821, 1642, 2437, 2463, 3284, 4874, 4926, 7311, 9748, 9852, 10673, 14622, 21346, 29244, 31681, 32019, 42692, 63362, 64038, 95043, 126724, 128076, 190086, 380172, 2000777, 4001554, 6002331, 8003108, 12004662, 24009324, 26010101, 52020202, 78030303, 104040404, 156060606, 312121212]

約数ペア:

[(1, 312121212), (2, 156060606), (3, 104040404), (4, 78030303), (6, 52020202), (12, 26010101), (13, 24009324), (26, 12004662), (39, 8003108), (52, 6002331), (78, 4001554), (156, 2000777), (821, 380172), (1642, 190086), (2437, 128076), (2463, 126724), (3284, 95043), (4874, 64038), (4926, 63362), (7311, 42692), (9748, 32019), (9852, 31681), (10673, 29244), (14622, 21346)]