220222079

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{124349}}^1$

素因数の和:124390

約数の個数: 16

約数和(自身を含む): 286502400

約数和(自身を除く): 66280321

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 124349, 870443, 1367839, 2860027, 9574873, 20020189, 31460297, 220222079]

約数ペア:

[(1, 220222079), (7, 31460297), (11, 20020189), (23, 9574873), (77, 2860027), (161, 1367839), (253, 870443), (1771, 124349)]