198975959

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{21649}}^1$

素因数の和:21770

約数の個数: 16

約数和(自身を含む): 247329600

約数和(自身を除く): 48353641

約数列:

[1, 7, 13, 91, 101, 707, 1313, 9191, 21649, 151543, 281437, 1970059, 2186549, 15305843, 28425137, 198975959]

約数ペア:

[(1, 198975959), (7, 28425137), (13, 15305843), (91, 2186549), (101, 1970059), (707, 281437), (1313, 151543), (9191, 21649)]