398049296

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{2011}}^1$

素因数の和:2247

約数の個数: 40

約数和(自身を含む): 785887200

約数和(自身を除く): 387837904

約数列:

[1, 2, 4, 8, 16, 89, 139, 178, 278, 356, 556, 712, 1112, 1424, 2011, 2224, 4022, 8044, 12371, 16088, 24742, 32176, 49484, 98968, 178979, 197936, 279529, 357958, 559058, 715916, 1118116, 1431832, 2236232, 2863664, 4472464, 24878081, 49756162, 99512324, 199024648, 398049296]

約数ペア:

[(1, 398049296), (2, 199024648), (4, 99512324), (8, 49756162), (16, 24878081), (89, 4472464), (139, 2863664), (178, 2236232), (278, 1431832), (356, 1118116), (556, 715916), (712, 559058), (1112, 357958), (1424, 279529), (2011, 197936), (2224, 178979), (4022, 98968), (8044, 49484), (12371, 32176), (16088, 24742)]