85551890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{140249}}^1$

素因数の和:140317

約数の個数: 16

約数和(自身を含む): 156519000

約数和(自身を除く): 70967110

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 140249, 280498, 701245, 1402490, 8555189, 17110378, 42775945, 85551890]

約数ペア:

[(1, 85551890), (2, 42775945), (5, 17110378), (10, 8555189), (61, 1402490), (122, 701245), (305, 280498), (610, 140249)]