205781402

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 323592192

約数和(自身を除く): 117810790

約数列:

[1, 2, 43, 83, 86, 127, 166, 227, 254, 454, 3569, 5461, 7138, 9761, 10541, 10922, 18841, 19522, 21082, 28829, 37682, 57658, 453263, 810163, 906526, 1239647, 1620326, 2392807, 2479294, 4785614, 102890701, 205781402]

約数ペア:

[(1, 205781402), (2, 102890701), (43, 4785614), (83, 2479294), (86, 2392807), (127, 1620326), (166, 1239647), (227, 906526), (254, 810163), (454, 453263), (3569, 57658), (5461, 37682), (7138, 28829), (9761, 21082), (10541, 19522), (10922, 18841)]