31320684

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{20233}}^1$

素因数の和:20286

約数の個数: 36

約数和(自身を含む): 81016936

約数和(自身を除く): 49696252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 20233, 40466, 60699, 80932, 121398, 182097, 242796, 364194, 728388, 870019, 1740038, 2610057, 3480076, 5220114, 7830171, 10440228, 15660342, 31320684]

約数ペア:

[(1, 31320684), (2, 15660342), (3, 10440228), (4, 7830171), (6, 5220114), (9, 3480076), (12, 2610057), (18, 1740038), (36, 870019), (43, 728388), (86, 364194), (129, 242796), (172, 182097), (258, 121398), (387, 80932), (516, 60699), (774, 40466), (1548, 20233)]