221497925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{4217}}^1$

素因数の和:4429

約数の個数: 24

約数和(自身を含む): 301266432

約数和(自身を除く): 79768507

約数列:

[1, 5, 11, 25, 55, 191, 275, 955, 2101, 4217, 4775, 10505, 21085, 46387, 52525, 105425, 231935, 805447, 1159675, 4027235, 8859917, 20136175, 44299585, 221497925]

約数ペア:

[(1, 221497925), (5, 44299585), (11, 20136175), (25, 8859917), (55, 4027235), (191, 1159675), (275, 805447), (955, 231935), (2101, 105425), (4217, 52525), (4775, 46387), (10505, 21085)]