161554468

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{139753}}^1$

素因数の和:139791

約数の個数: 18

約数和(自身を含む): 300331346

約数和(自身を除く): 138776878

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 139753, 279506, 559012, 2375801, 4751602, 9503204, 40388617, 80777234, 161554468]

約数ペア:

[(1, 161554468), (2, 80777234), (4, 40388617), (17, 9503204), (34, 4751602), (68, 2375801), (289, 559012), (578, 279506), (1156, 139753)]