7945325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 10639200

約数和(自身を除く): 2693875

約数列:

[1, 5, 19, 25, 43, 95, 215, 389, 475, 817, 1075, 1945, 4085, 7391, 9725, 16727, 20425, 36955, 83635, 184775, 317813, 418175, 1589065, 7945325]

約数ペア:

[(1, 7945325), (5, 1589065), (19, 418175), (25, 317813), (43, 184775), (95, 83635), (215, 36955), (389, 20425), (475, 16727), (817, 9725), (1075, 7391), (1945, 4085)]