977797990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{13903}}^1$

素因数の和:14464

約数の個数: 32

約数和(自身を含む): 1899063936

約数和(自身を除く): 921265946

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 541, 1082, 2705, 5410, 7033, 13903, 14066, 27806, 35165, 69515, 70330, 139030, 180739, 361478, 903695, 1807390, 7521523, 15043046, 37607615, 75215230, 97779799, 195559598, 488898995, 977797990]

約数ペア:

[(1, 977797990), (2, 488898995), (5, 195559598), (10, 97779799), (13, 75215230), (26, 37607615), (65, 15043046), (130, 7521523), (541, 1807390), (1082, 903695), (2705, 361478), (5410, 180739), (7033, 139030), (13903, 70330), (14066, 69515), (27806, 35165)]