217475615

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2083}}^1$

素因数の和:2271

約数の個数: 32

約数和(自身を含む): 316101120

約数和(自身を除く): 98625505

約数列:

[1, 5, 7, 19, 35, 95, 133, 157, 665, 785, 1099, 2083, 2983, 5495, 10415, 14581, 14915, 20881, 39577, 72905, 104405, 197885, 277039, 327031, 1385195, 1635155, 2289217, 6213589, 11446085, 31067945, 43495123, 217475615]

約数ペア:

[(1, 217475615), (5, 43495123), (7, 31067945), (19, 11446085), (35, 6213589), (95, 2289217), (133, 1635155), (157, 1385195), (665, 327031), (785, 277039), (1099, 197885), (2083, 104405), (2983, 72905), (5495, 39577), (10415, 20881), (14581, 14915)]