661788

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:634

約数の個数: 36

約数和(自身を含む): 1729728

約数和(自身を除く): 1067940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 593, 1116, 1186, 1779, 2372, 3558, 5337, 7116, 10674, 18383, 21348, 36766, 55149, 73532, 110298, 165447, 220596, 330894, 661788]

約数ペア:

[(1, 661788), (2, 330894), (3, 220596), (4, 165447), (6, 110298), (9, 73532), (12, 55149), (18, 36766), (31, 21348), (36, 18383), (62, 10674), (93, 7116), (124, 5337), (186, 3558), (279, 2372), (372, 1779), (558, 1186), (593, 1116)]