198729995

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{701}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 250950960

約数和(自身を除く): 52220965

約数列:

[1, 5, 31, 59, 155, 295, 701, 961, 1829, 3505, 4805, 9145, 21731, 41359, 56699, 108655, 206795, 283495, 673661, 1282129, 3368305, 6410645, 39745999, 198729995]

約数ペア:

[(1, 198729995), (5, 39745999), (31, 6410645), (59, 3368305), (155, 1282129), (295, 673661), (701, 283495), (961, 206795), (1829, 108655), (3505, 56699), (4805, 41359), (9145, 21731)]