31009748

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 72586080

約数和(自身を除く): 41576332

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 532, 539, 757, 836, 931, 1078, 1463, 1514, 1862, 2156, 2926, 3028, 3724, 5299, 5852, 8327, 10241, 10598, 14383, 16654, 20482, 21196, 28766, 33308, 37093, 40964, 57532, 58289, 74186, 100681, 116578, 148372, 158213, 201362, 233156, 316426, 402724, 408023, 632852, 704767, 816046, 1107491, 1409534, 1632092, 2214982, 2819068, 4429964, 7752437, 15504874, 31009748]

約数ペア:

[(1, 31009748), (2, 15504874), (4, 7752437), (7, 4429964), (11, 2819068), (14, 2214982), (19, 1632092), (22, 1409534), (28, 1107491), (38, 816046), (44, 704767), (49, 632852), (76, 408023), (77, 402724), (98, 316426), (133, 233156), (154, 201362), (196, 158213), (209, 148372), (266, 116578), (308, 100681), (418, 74186), (532, 58289), (539, 57532), (757, 40964), (836, 37093), (931, 33308), (1078, 28766), (1463, 21196), (1514, 20482), (1862, 16654), (2156, 14383), (2926, 10598), (3028, 10241), (3724, 8327), (5299, 5852)]