257642568

素因数分解:

$2^3\times 3^2\times {\mathrm{383}}^1\times {\mathrm{9343}}^1$

素因数の和:9738

約数の個数: 48

約数和(自身を含む): 699678720

約数和(自身を除く): 442036152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 383, 766, 1149, 1532, 2298, 3064, 3447, 4596, 6894, 9192, 9343, 13788, 18686, 27576, 28029, 37372, 56058, 74744, 84087, 112116, 168174, 224232, 336348, 672696, 3578369, 7156738, 10735107, 14313476, 21470214, 28626952, 32205321, 42940428, 64410642, 85880856, 128821284, 257642568]

約数ペア:

[(1, 257642568), (2, 128821284), (3, 85880856), (4, 64410642), (6, 42940428), (8, 32205321), (9, 28626952), (12, 21470214), (18, 14313476), (24, 10735107), (36, 7156738), (72, 3578369), (383, 672696), (766, 336348), (1149, 224232), (1532, 168174), (2298, 112116), (3064, 84087), (3447, 74744), (4596, 56058), (6894, 37372), (9192, 28029), (9343, 27576), (13788, 18686)]