220028545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{129049}}^1$

素因数の和:129096

約数の個数: 16

約数和(自身を含む): 297331200

約数和(自身を除く): 77302655

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 129049, 645245, 1419539, 4000519, 7097695, 20002595, 44005709, 220028545]

約数ペア:

[(1, 220028545), (5, 44005709), (11, 20002595), (31, 7097695), (55, 4000519), (155, 1419539), (341, 645245), (1705, 129049)]