221497265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{36947}}^1$

素因数の和:37072

約数の個数: 16

約数和(自身を含む): 292628160

約数和(自身を除く): 71130895

約数列:

[1, 5, 11, 55, 109, 545, 1199, 5995, 36947, 184735, 406417, 2032085, 4027223, 20136115, 44299453, 221497265]

約数ペア:

[(1, 221497265), (5, 44299453), (11, 20136115), (55, 4027223), (109, 2032085), (545, 406417), (1199, 184735), (5995, 36947)]