221805943

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{907}}^1$

素因数の和:1198

約数の個数: 16

約数和(自身を含む): 238695040

約数和(自身を除く): 16889097

約数列:

[1, 19, 61, 211, 907, 1159, 4009, 12871, 17233, 55327, 191377, 244549, 1051213, 3636163, 11673997, 221805943]

約数ペア:

[(1, 221805943), (19, 11673997), (61, 3636163), (211, 1051213), (907, 244549), (1159, 191377), (4009, 55327), (12871, 17233)]