87013996

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{60259}}^1$

素因数の和:60301

約数の個数: 18

約数和(自身を含む): 160713420

約数和(自身を除く): 73699424

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 60259, 120518, 241036, 1144921, 2289842, 4579684, 21753499, 43506998, 87013996]

約数ペア:

[(1, 87013996), (2, 43506998), (4, 21753499), (19, 4579684), (38, 2289842), (76, 1144921), (361, 241036), (722, 120518), (1444, 60259)]