9880884

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 27579552

約数和(自身を除く): 17698668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 491, 516, 559, 774, 982, 1118, 1473, 1548, 1677, 1964, 2236, 2946, 3354, 4419, 5031, 5892, 6383, 6708, 8838, 10062, 12766, 17676, 19149, 20124, 21113, 25532, 38298, 42226, 57447, 63339, 76596, 84452, 114894, 126678, 190017, 229788, 253356, 274469, 380034, 548938, 760068, 823407, 1097876, 1646814, 2470221, 3293628, 4940442, 9880884]

約数ペア:

[(1, 9880884), (2, 4940442), (3, 3293628), (4, 2470221), (6, 1646814), (9, 1097876), (12, 823407), (13, 760068), (18, 548938), (26, 380034), (36, 274469), (39, 253356), (43, 229788), (52, 190017), (78, 126678), (86, 114894), (117, 84452), (129, 76596), (156, 63339), (172, 57447), (234, 42226), (258, 38298), (387, 25532), (468, 21113), (491, 20124), (516, 19149), (559, 17676), (774, 12766), (982, 10062), (1118, 8838), (1473, 6708), (1548, 6383), (1677, 5892), (1964, 5031), (2236, 4419), (2946, 3354)]