221821325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{683}}^1\times {\mathrm{1181}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 300757536

約数和(自身を除く): 78936211

約数列:

[1, 5, 11, 25, 55, 275, 683, 1181, 3415, 5905, 7513, 12991, 17075, 29525, 37565, 64955, 187825, 324775, 806623, 4033115, 8872853, 20165575, 44364265, 221821325]

約数ペア:

[(1, 221821325), (5, 44364265), (11, 20165575), (25, 8872853), (55, 4033115), (275, 806623), (683, 324775), (1181, 187825), (3415, 64955), (5905, 37565), (7513, 29525), (12991, 17075)]