7872445

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 11632896

約数和(自身を除く): 3760451

約数列:

[1, 5, 7, 17, 35, 85, 101, 119, 131, 505, 595, 655, 707, 917, 1717, 2227, 3535, 4585, 8585, 11135, 12019, 13231, 15589, 60095, 66155, 77945, 92617, 224927, 463085, 1124635, 1574489, 7872445]

約数ペア:

[(1, 7872445), (5, 1574489), (7, 1124635), (17, 463085), (35, 224927), (85, 92617), (101, 77945), (119, 66155), (131, 60095), (505, 15589), (595, 13231), (655, 12019), (707, 11135), (917, 8585), (1717, 4585), (2227, 3535)]