257996256

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{383923}}^1$

素因数の和:383943

約数の個数: 48

約数和(自身を含む): 773990784

約数和(自身を除く): 515994528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 383923, 767846, 1151769, 1535692, 2303538, 2687461, 3071384, 4607076, 5374922, 6142768, 8062383, 9214152, 10749844, 12285536, 16124766, 18428304, 21499688, 32249532, 36856608, 42999376, 64499064, 85998752, 128998128, 257996256]

約数ペア:

[(1, 257996256), (2, 128998128), (3, 85998752), (4, 64499064), (6, 42999376), (7, 36856608), (8, 32249532), (12, 21499688), (14, 18428304), (16, 16124766), (21, 12285536), (24, 10749844), (28, 9214152), (32, 8062383), (42, 6142768), (48, 5374922), (56, 4607076), (84, 3071384), (96, 2687461), (112, 2303538), (168, 1535692), (224, 1151769), (336, 767846), (672, 383923)]