72731449

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 91872000

約数和(自身を除く): 19140551

約数列:

[1, 7, 19, 29, 109, 133, 173, 203, 551, 763, 1211, 2071, 3161, 3287, 3857, 5017, 14497, 18857, 22127, 23009, 35119, 60059, 95323, 131999, 358283, 420413, 546853, 667261, 2507981, 3827971, 10390207, 72731449]

約数ペア:

[(1, 72731449), (7, 10390207), (19, 3827971), (29, 2507981), (109, 667261), (133, 546853), (173, 420413), (203, 358283), (551, 131999), (763, 95323), (1211, 60059), (2071, 35119), (3161, 23009), (3287, 22127), (3857, 18857), (5017, 14497)]