221497304

素因数分解:

$2^3\times 7^1\times {\mathrm{3955309}}^1$

素因数の和:3955322

約数の個数: 16

約数和(自身を含む): 474637200

約数和(自身を除く): 253139896

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3955309, 7910618, 15821236, 27687163, 31642472, 55374326, 110748652, 221497304]

約数ペア:

[(1, 221497304), (2, 110748652), (4, 55374326), (7, 31642472), (8, 27687163), (14, 15821236), (28, 7910618), (56, 3955309)]