208065890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1009}}^1\times {\mathrm{1213}}^1$

素因数の和:2246

約数の個数: 32

約数和(自身を含む): 397269360

約数和(自身を除く): 189203470

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1009, 1213, 2018, 2426, 5045, 6065, 10090, 12130, 17153, 20621, 34306, 41242, 85765, 103105, 171530, 206210, 1223917, 2447834, 6119585, 12239170, 20806589, 41613178, 104032945, 208065890]

約数ペア:

[(1, 208065890), (2, 104032945), (5, 41613178), (10, 20806589), (17, 12239170), (34, 6119585), (85, 2447834), (170, 1223917), (1009, 206210), (1213, 171530), (2018, 103105), (2426, 85765), (5045, 41242), (6065, 34306), (10090, 20621), (12130, 17153)]