221330963

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{2393}}^1$

素因数の和:2654

約数の個数: 16

約数和(自身を含む): 257939136

約数和(自身を除く): 36608173

約数列:

[1, 7, 73, 181, 511, 1267, 2393, 13213, 16751, 92491, 174689, 433133, 1222823, 3031931, 31618709, 221330963]

約数ペア:

[(1, 221330963), (7, 31618709), (73, 3031931), (181, 1222823), (511, 433133), (1267, 174689), (2393, 92491), (13213, 16751)]