1561178

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 24

約数和(自身を含む): 2589852

約数和(自身を除く): 1028674

約数列:

[1, 2, 17, 34, 37, 73, 74, 146, 289, 578, 629, 1241, 1258, 2482, 2701, 5402, 10693, 21097, 21386, 42194, 45917, 91834, 780589, 1561178]

約数ペア:

[(1, 1561178), (2, 780589), (17, 91834), (34, 45917), (37, 42194), (73, 21386), (74, 21097), (146, 10693), (289, 5402), (578, 2701), (629, 2482), (1241, 1258)]