221497288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1457219}}^1$

素因数の和:1457244

約数の個数: 16

約数和(自身を含む): 437166000

約数和(自身を除く): 215668712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1457219, 2914438, 5828876, 11657752, 27687161, 55374322, 110748644, 221497288]

約数ペア:

[(1, 221497288), (2, 110748644), (4, 55374322), (8, 27687161), (19, 11657752), (38, 5828876), (76, 2914438), (152, 1457219)]