39990726

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 92145600

約数和(自身を除く): 52154874

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 89, 106, 157, 159, 178, 267, 314, 318, 471, 477, 534, 801, 942, 954, 1413, 1431, 1602, 2403, 2826, 2862, 4239, 4717, 4806, 8321, 8478, 9434, 13973, 14151, 16642, 24963, 27946, 28302, 41919, 42453, 49926, 74889, 83838, 84906, 125757, 127359, 149778, 224667, 251514, 254718, 377271, 449334, 740569, 754542, 1481138, 2221707, 4443414, 6665121, 13330242, 19995363, 39990726]

約数ペア:

[(1, 39990726), (2, 19995363), (3, 13330242), (6, 6665121), (9, 4443414), (18, 2221707), (27, 1481138), (53, 754542), (54, 740569), (89, 449334), (106, 377271), (157, 254718), (159, 251514), (178, 224667), (267, 149778), (314, 127359), (318, 125757), (471, 84906), (477, 83838), (534, 74889), (801, 49926), (942, 42453), (954, 41919), (1413, 28302), (1431, 27946), (1602, 24963), (2403, 16642), (2826, 14151), (2862, 13973), (4239, 9434), (4717, 8478), (4806, 8321)]