209260478

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{68881}}^1$

素因数の和:68928

約数の個数: 24

約数和(自身を含む): 376922304

約数和(自身を除く): 167661826

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 68881, 137762, 482167, 964334, 2135311, 3375169, 4270622, 6750338, 14947177, 29894354, 104630239, 209260478]

約数ペア:

[(1, 209260478), (2, 104630239), (7, 29894354), (14, 14947177), (31, 6750338), (49, 4270622), (62, 3375169), (98, 2135311), (217, 964334), (434, 482167), (1519, 137762), (3038, 68881)]