313213212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21589}}^1$

素因数の和:21643

約数の個数: 72

約数和(自身を含む): 880181120

約数和(自身を除く): 566967908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 21589, 43178, 64767, 86356, 129534, 194301, 259068, 280657, 388602, 561314, 669259, 777204, 841971, 1122628, 1338518, 1683942, 2007777, 2525913, 2677036, 3367884, 4015554, 5051826, 6023331, 8031108, 8700367, 10103652, 12046662, 17400734, 24093324, 26101101, 34801468, 52202202, 78303303, 104404404, 156606606, 313213212]

約数ペア:

[(1, 313213212), (2, 156606606), (3, 104404404), (4, 78303303), (6, 52202202), (9, 34801468), (12, 26101101), (13, 24093324), (18, 17400734), (26, 12046662), (31, 10103652), (36, 8700367), (39, 8031108), (52, 6023331), (62, 5051826), (78, 4015554), (93, 3367884), (117, 2677036), (124, 2525913), (156, 2007777), (186, 1683942), (234, 1338518), (279, 1122628), (372, 841971), (403, 777204), (468, 669259), (558, 561314), (806, 388602), (1116, 280657), (1209, 259068), (1612, 194301), (2418, 129534), (3627, 86356), (4836, 64767), (7254, 43178), (14508, 21589)]