123456996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1747}}^1$

素因数の和:1921

約数の個数: 72

約数和(自身を含む): 338496704

約数和(自身を除く): 215039708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 151, 156, 234, 302, 453, 468, 604, 906, 1359, 1747, 1812, 1963, 2718, 3494, 3926, 5241, 5436, 5889, 6988, 7852, 10482, 11778, 15723, 17667, 20964, 22711, 23556, 31446, 35334, 45422, 62892, 68133, 70668, 90844, 136266, 204399, 263797, 272532, 408798, 527594, 791391, 817596, 1055188, 1582782, 2374173, 3165564, 3429361, 4748346, 6858722, 9496692, 10288083, 13717444, 20576166, 30864249, 41152332, 61728498, 123456996]

約数ペア:

[(1, 123456996), (2, 61728498), (3, 41152332), (4, 30864249), (6, 20576166), (9, 13717444), (12, 10288083), (13, 9496692), (18, 6858722), (26, 4748346), (36, 3429361), (39, 3165564), (52, 2374173), (78, 1582782), (117, 1055188), (151, 817596), (156, 791391), (234, 527594), (302, 408798), (453, 272532), (468, 263797), (604, 204399), (906, 136266), (1359, 90844), (1747, 70668), (1812, 68133), (1963, 62892), (2718, 45422), (3494, 35334), (3926, 31446), (5241, 23556), (5436, 22711), (5889, 20964), (6988, 17667), (7852, 15723), (10482, 11778)]