312215905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 394859520

約数和(自身を除く): 82643615

約数列:

[1, 5, 43, 59, 151, 163, 215, 295, 755, 815, 2537, 6493, 7009, 8909, 9617, 12685, 24613, 32465, 35045, 44545, 48085, 123065, 383087, 413531, 1058359, 1452167, 1915435, 2067655, 5291795, 7260835, 62443181, 312215905]

約数ペア:

[(1, 312215905), (5, 62443181), (43, 7260835), (59, 5291795), (151, 2067655), (163, 1915435), (215, 1452167), (295, 1058359), (755, 413531), (815, 383087), (2537, 123065), (6493, 48085), (7009, 44545), (8909, 35045), (9617, 32465), (12685, 24613)]