256898684

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9277}}^1$

素因数の和:9354

約数の個数: 48

約数和(自身を含む): 548663808

約数和(自身を除く): 291765124

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 86, 92, 161, 172, 301, 322, 602, 644, 989, 1204, 1978, 3956, 6923, 9277, 13846, 18554, 27692, 37108, 64939, 129878, 213371, 259756, 398911, 426742, 797822, 853484, 1493597, 1595644, 2792377, 2987194, 5584754, 5974388, 9174953, 11169508, 18349906, 36699812, 64224671, 128449342, 256898684]

約数ペア:

[(1, 256898684), (2, 128449342), (4, 64224671), (7, 36699812), (14, 18349906), (23, 11169508), (28, 9174953), (43, 5974388), (46, 5584754), (86, 2987194), (92, 2792377), (161, 1595644), (172, 1493597), (301, 853484), (322, 797822), (602, 426742), (644, 398911), (989, 259756), (1204, 213371), (1978, 129878), (3956, 64939), (6923, 37108), (9277, 27692), (13846, 18554)]