191520385

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{787}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 279141120

約数和(自身を除く): 87620735

約数列:

[1, 5, 7, 17, 35, 85, 119, 409, 595, 787, 2045, 2863, 3935, 5509, 6953, 13379, 14315, 27545, 34765, 48671, 66895, 93653, 243355, 321883, 468265, 1609415, 2253181, 5472011, 11265905, 27360055, 38304077, 191520385]

約数ペア:

[(1, 191520385), (5, 38304077), (7, 27360055), (17, 11265905), (35, 5472011), (85, 2253181), (119, 1609415), (409, 468265), (595, 321883), (787, 243355), (2045, 93653), (2863, 66895), (3935, 48671), (5509, 34765), (6953, 27545), (13379, 14315)]