257046916

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{296137}}^1$

素因数の和:296179

約数の個数: 24

約数和(自身を含む): 530679296

約数和(自身を除く): 273632380

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 296137, 592274, 1184548, 2072959, 4145918, 8291836, 9180247, 18360494, 36720988, 64261729, 128523458, 257046916]

約数ペア:

[(1, 257046916), (2, 128523458), (4, 64261729), (7, 36720988), (14, 18360494), (28, 9180247), (31, 8291836), (62, 4145918), (124, 2072959), (217, 1184548), (434, 592274), (868, 296137)]