287466138

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{40637}}^1$

素因数の和:40779

約数の個数: 32

約数和(自身を含む): 643705920

約数和(自身を除く): 356239782

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 262, 393, 786, 1179, 2358, 3537, 7074, 40637, 81274, 121911, 243822, 365733, 731466, 1097199, 2194398, 5323447, 10646894, 15970341, 31940682, 47911023, 95822046, 143733069, 287466138]

約数ペア:

[(1, 287466138), (2, 143733069), (3, 95822046), (6, 47911023), (9, 31940682), (18, 15970341), (27, 10646894), (54, 5323447), (131, 2194398), (262, 1097199), (393, 731466), (786, 365733), (1179, 243822), (2358, 121911), (3537, 81274), (7074, 40637)]