198631990

素因数分解:

$2^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{26449}}^1$

素因数の和:27207

約数の個数: 16

約数和(自身を含む): 358027200

約数和(自身を除く): 159395210

約数列:

[1, 2, 5, 10, 751, 1502, 3755, 7510, 26449, 52898, 132245, 264490, 19863199, 39726398, 99315995, 198631990]

約数ペア:

[(1, 198631990), (2, 99315995), (5, 39726398), (10, 19863199), (751, 264490), (1502, 132245), (3755, 52898), (7510, 26449)]