256156684

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{223133}}^1$

素因数の和:223185

約数の個数: 24

約数和(自身を含む): 524811168

約数和(自身を除く): 268654484

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 223133, 446266, 892532, 1561931, 3123862, 6247724, 9148453, 18296906, 36593812, 64039171, 128078342, 256156684]

約数ペア:

[(1, 256156684), (2, 128078342), (4, 64039171), (7, 36593812), (14, 18296906), (28, 9148453), (41, 6247724), (82, 3123862), (164, 1561931), (287, 892532), (574, 446266), (1148, 223133)]