641601328

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{179821}}^1$

素因数の和:180052

約数の個数: 20

約数和(自身を含む): 1248683968

約数和(自身を除く): 607082640

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 179821, 359642, 719284, 1438568, 2877136, 40100083, 80200166, 160400332, 320800664, 641601328]

約数ペア:

[(1, 641601328), (2, 320800664), (4, 160400332), (8, 80200166), (16, 40100083), (223, 2877136), (446, 1438568), (892, 719284), (1784, 359642), (3568, 179821)]