251281188

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{64037}}^1$

素因数の和:64156

約数の個数: 36

約数和(自身を含む): 641020380

約数和(自身を除く): 389739192

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 64037, 128074, 192111, 256148, 384222, 576333, 768444, 1152666, 2305332, 6980033, 13960066, 20940099, 27920132, 41880198, 62820297, 83760396, 125640594, 251281188]

約数ペア:

[(1, 251281188), (2, 125640594), (3, 83760396), (4, 62820297), (6, 41880198), (9, 27920132), (12, 20940099), (18, 13960066), (36, 6980033), (109, 2305332), (218, 1152666), (327, 768444), (436, 576333), (654, 384222), (981, 256148), (1308, 192111), (1962, 128074), (3924, 64037)]