9780995

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 14074368

約数和(自身を除く): 4293373

約数列:

[1, 5, 7, 35, 43, 67, 97, 215, 301, 335, 469, 485, 679, 1505, 2345, 2881, 3395, 4171, 6499, 14405, 20167, 20855, 29197, 32495, 45493, 100835, 145985, 227465, 279457, 1397285, 1956199, 9780995]

約数ペア:

[(1, 9780995), (5, 1956199), (7, 1397285), (35, 279457), (43, 227465), (67, 145985), (97, 100835), (215, 45493), (301, 32495), (335, 29197), (469, 20855), (485, 20167), (679, 14405), (1505, 6499), (2345, 4171), (2881, 3395)]