9980988

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 25753728

約数和(自身を除く): 15772740

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 43, 46, 58, 69, 86, 87, 92, 116, 129, 138, 172, 174, 258, 276, 348, 516, 667, 841, 989, 1247, 1334, 1682, 1978, 2001, 2494, 2523, 2668, 2967, 3364, 3741, 3956, 4002, 4988, 5046, 5934, 7482, 8004, 10092, 11868, 14964, 19343, 28681, 36163, 38686, 57362, 58029, 72326, 77372, 86043, 108489, 114724, 116058, 144652, 172086, 216978, 232116, 344172, 433956, 831749, 1663498, 2495247, 3326996, 4990494, 9980988]

約数ペア:

[(1, 9980988), (2, 4990494), (3, 3326996), (4, 2495247), (6, 1663498), (12, 831749), (23, 433956), (29, 344172), (43, 232116), (46, 216978), (58, 172086), (69, 144652), (86, 116058), (87, 114724), (92, 108489), (116, 86043), (129, 77372), (138, 72326), (172, 58029), (174, 57362), (258, 38686), (276, 36163), (348, 28681), (516, 19343), (667, 14964), (841, 11868), (989, 10092), (1247, 8004), (1334, 7482), (1682, 5934), (1978, 5046), (2001, 4988), (2494, 4002), (2523, 3956), (2668, 3741), (2967, 3364)]