31856292

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1583}}^1$

素因数の和:1649

約数の個数: 72

約数和(自身を含む): 88792704

約数和(自身を除く): 56936412

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, 516, 559, 774, 1118, 1548, 1583, 1677, 2236, 3166, 3354, 4749, 5031, 6332, 6708, 9498, 10062, 14247, 18996, 20124, 20579, 28494, 41158, 56988, 61737, 68069, 82316, 123474, 136138, 185211, 204207, 246948, 272276, 370422, 408414, 612621, 740844, 816828, 884897, 1225242, 1769794, 2450484, 2654691, 3539588, 5309382, 7964073, 10618764, 15928146, 31856292]

約数ペア:

[(1, 31856292), (2, 15928146), (3, 10618764), (4, 7964073), (6, 5309382), (9, 3539588), (12, 2654691), (13, 2450484), (18, 1769794), (26, 1225242), (36, 884897), (39, 816828), (43, 740844), (52, 612621), (78, 408414), (86, 370422), (117, 272276), (129, 246948), (156, 204207), (172, 185211), (234, 136138), (258, 123474), (387, 82316), (468, 68069), (516, 61737), (559, 56988), (774, 41158), (1118, 28494), (1548, 20579), (1583, 20124), (1677, 18996), (2236, 14247), (3166, 10062), (3354, 9498), (4749, 6708), (5031, 6332)]