221445904

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{99571}}^1$

素因数の和:99718

約数の個数: 20

約数和(自身を含む): 432142480

約数和(自身を除く): 210696576

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 99571, 199142, 398284, 796568, 1593136, 13840369, 27680738, 55361476, 110722952, 221445904]

約数ペア:

[(1, 221445904), (2, 110722952), (4, 55361476), (8, 27680738), (16, 13840369), (139, 1593136), (278, 796568), (556, 398284), (1112, 199142), (2224, 99571)]