2391445

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 3430944

約数和(自身を除く): 1039499

約数列:

[1, 5, 7, 35, 43, 49, 215, 227, 245, 301, 1135, 1505, 1589, 2107, 7945, 9761, 10535, 11123, 48805, 55615, 68327, 341635, 478289, 2391445]

約数ペア:

[(1, 2391445), (5, 478289), (7, 341635), (35, 68327), (43, 55615), (49, 48805), (215, 11123), (227, 10535), (245, 9761), (301, 7945), (1135, 2107), (1505, 1589)]