321285348

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1997}}^1$

素因数の和:2157

約数の個数: 72

約数和(自身を含む): 839999160

約数和(自身を除く): 518713812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 109, 123, 164, 218, 246, 327, 369, 436, 492, 654, 738, 981, 1308, 1476, 1962, 1997, 3924, 3994, 4469, 5991, 7988, 8938, 11982, 13407, 17876, 17973, 23964, 26814, 35946, 40221, 53628, 71892, 80442, 81877, 160884, 163754, 217673, 245631, 327508, 435346, 491262, 653019, 736893, 870692, 982524, 1306038, 1473786, 1959057, 2612076, 2947572, 3918114, 7836228, 8924593, 17849186, 26773779, 35698372, 53547558, 80321337, 107095116, 160642674, 321285348]

約数ペア:

[(1, 321285348), (2, 160642674), (3, 107095116), (4, 80321337), (6, 53547558), (9, 35698372), (12, 26773779), (18, 17849186), (36, 8924593), (41, 7836228), (82, 3918114), (109, 2947572), (123, 2612076), (164, 1959057), (218, 1473786), (246, 1306038), (327, 982524), (369, 870692), (436, 736893), (492, 653019), (654, 491262), (738, 435346), (981, 327508), (1308, 245631), (1476, 217673), (1962, 163754), (1997, 160884), (3924, 81877), (3994, 80442), (4469, 71892), (5991, 53628), (7988, 40221), (8938, 35946), (11982, 26814), (13407, 23964), (17876, 17973)]