31879284

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 82462464

約数和(自身を除く): 50583180

約数列:

[1, 2, 3, 4, 6, 12, 17, 31, 34, 51, 62, 68, 71, 93, 102, 124, 142, 186, 204, 213, 284, 372, 426, 527, 852, 1054, 1207, 1581, 2108, 2201, 2414, 3162, 3621, 4402, 4828, 5041, 6324, 6603, 7242, 8804, 10082, 13206, 14484, 15123, 20164, 26412, 30246, 37417, 60492, 74834, 85697, 112251, 149668, 156271, 171394, 224502, 257091, 312542, 342788, 449004, 468813, 514182, 625084, 937626, 1028364, 1875252, 2656607, 5313214, 7969821, 10626428, 15939642, 31879284]

約数ペア:

[(1, 31879284), (2, 15939642), (3, 10626428), (4, 7969821), (6, 5313214), (12, 2656607), (17, 1875252), (31, 1028364), (34, 937626), (51, 625084), (62, 514182), (68, 468813), (71, 449004), (93, 342788), (102, 312542), (124, 257091), (142, 224502), (186, 171394), (204, 156271), (213, 149668), (284, 112251), (372, 85697), (426, 74834), (527, 60492), (852, 37417), (1054, 30246), (1207, 26412), (1581, 20164), (2108, 15123), (2201, 14484), (2414, 13206), (3162, 10082), (3621, 8804), (4402, 7242), (4828, 6603), (5041, 6324)]