978856990

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{656951}}^1$

素因数の和:657107

約数の個数: 16

約数和(自身を含む): 1773770400

約数和(自身を除く): 794913410

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 656951, 1313902, 3284755, 6569510, 97885699, 195771398, 489428495, 978856990]

約数ペア:

[(1, 978856990), (2, 489428495), (5, 195771398), (10, 97885699), (149, 6569510), (298, 3284755), (745, 1313902), (1490, 656951)]