491661612

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{33889}}^1$

素因数の和:33943

約数の個数: 72

約数和(自身を含む): 1381627520

約数和(自身を除く): 889965908

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, 33889, 67778, 101667, 135556, 203334, 305001, 406668, 440557, 610002, 881114, 1050559, 1220004, 1321671, 1762228, 2101118, 2643342, 3151677, 3965013, 4202236, 5286684, 6303354, 7930026, 9455031, 12606708, 13657267, 15860052, 18910062, 27314534, 37820124, 40971801, 54629068, 81943602, 122915403, 163887204, 245830806, 491661612]

約数ペア:

[(1, 491661612), (2, 245830806), (3, 163887204), (4, 122915403), (6, 81943602), (9, 54629068), (12, 40971801), (13, 37820124), (18, 27314534), (26, 18910062), (31, 15860052), (36, 13657267), (39, 12606708), (52, 9455031), (62, 7930026), (78, 6303354), (93, 5286684), (117, 4202236), (124, 3965013), (156, 3151677), (186, 2643342), (234, 2101118), (279, 1762228), (372, 1321671), (403, 1220004), (468, 1050559), (558, 881114), (806, 610002), (1116, 440557), (1209, 406668), (1612, 305001), (2418, 203334), (3627, 135556), (4836, 101667), (7254, 67778), (14508, 33889)]