145329584

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{221539}}^1$

素因数の和:221588

約数の個数: 20

約数和(自身を含む): 288445080

約数和(自身を除く): 143115496

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 221539, 443078, 886156, 1772312, 3544624, 9083099, 18166198, 36332396, 72664792, 145329584]

約数ペア:

[(1, 145329584), (2, 72664792), (4, 36332396), (8, 18166198), (16, 9083099), (41, 3544624), (82, 1772312), (164, 886156), (328, 443078), (656, 221539)]