998690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1297}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 2242944

約数和(自身を除く): 1244254

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 1297, 2594, 6485, 9079, 12970, 14267, 18158, 28534, 45395, 71335, 90790, 99869, 142670, 199738, 499345, 998690]

約数ペア:

[(1, 998690), (2, 499345), (5, 199738), (7, 142670), (10, 99869), (11, 90790), (14, 71335), (22, 45395), (35, 28534), (55, 18158), (70, 14267), (77, 12970), (110, 9079), (154, 6485), (385, 2594), (770, 1297)]