491180408

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{487}}^1\times {\mathrm{907}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 930518400

約数和(自身を除く): 439337992

約数列:

[1, 2, 4, 8, 139, 278, 487, 556, 907, 974, 1112, 1814, 1948, 3628, 3896, 7256, 67693, 126073, 135386, 252146, 270772, 441709, 504292, 541544, 883418, 1008584, 1766836, 3533672, 61397551, 122795102, 245590204, 491180408]

約数ペア:

[(1, 491180408), (2, 245590204), (4, 122795102), (8, 61397551), (139, 3533672), (278, 1766836), (487, 1008584), (556, 883418), (907, 541544), (974, 504292), (1112, 441709), (1814, 270772), (1948, 252146), (3628, 135386), (3896, 126073), (7256, 67693)]