7129885

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 10824192

約数和(自身を除く): 3694307

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 521, 595, 805, 1955, 2605, 2737, 3647, 8857, 11983, 13685, 18235, 44285, 59915, 61999, 83881, 203711, 309995, 419405, 1018555, 1425977, 7129885]

約数ペア:

[(1, 7129885), (5, 1425977), (7, 1018555), (17, 419405), (23, 309995), (35, 203711), (85, 83881), (115, 61999), (119, 59915), (161, 44285), (391, 18235), (521, 13685), (595, 11983), (805, 8857), (1955, 3647), (2605, 2737)]