80871455

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 114846336

約数和(自身を除く): 33974881

約数列:

[1, 5, 7, 35, 37, 185, 197, 259, 317, 985, 1295, 1379, 1585, 2219, 6895, 7289, 11095, 11729, 36445, 51023, 58645, 62449, 82103, 255115, 312245, 410515, 437143, 2185715, 2310613, 11553065, 16174291, 80871455]

約数ペア:

[(1, 80871455), (5, 16174291), (7, 11553065), (35, 2310613), (37, 2185715), (185, 437143), (197, 410515), (259, 312245), (317, 255115), (985, 82103), (1295, 62449), (1379, 58645), (1585, 51023), (2219, 36445), (6895, 11729), (7289, 11095)]