68688724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1879}}^1$

素因数の和:1952

約数の個数: 48

約数和(自身を含む): 140022400

約数和(自身を除く): 71333676

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 74, 76, 148, 247, 481, 494, 703, 962, 988, 1406, 1879, 1924, 2812, 3758, 7516, 9139, 18278, 24427, 35701, 36556, 48854, 69523, 71402, 97708, 139046, 142804, 278092, 464113, 903799, 928226, 1320937, 1807598, 1856452, 2641874, 3615196, 5283748, 17172181, 34344362, 68688724]

約数ペア:

[(1, 68688724), (2, 34344362), (4, 17172181), (13, 5283748), (19, 3615196), (26, 2641874), (37, 1856452), (38, 1807598), (52, 1320937), (74, 928226), (76, 903799), (148, 464113), (247, 278092), (481, 142804), (494, 139046), (703, 97708), (962, 71402), (988, 69523), (1406, 48854), (1879, 36556), (1924, 35701), (2812, 24427), (3758, 18278), (7516, 9139)]