39681964

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3319}}^1$

素因数の和:3398

約数の個数: 36

約数和(自身を含む): 82130160

約数和(自身を除く): 42448196

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2989, 3319, 5978, 6638, 11956, 13276, 23233, 46466, 92932, 162631, 202459, 325262, 404918, 650524, 809836, 1417213, 2834426, 5668852, 9920491, 19840982, 39681964]

約数ペア:

[(1, 39681964), (2, 19840982), (4, 9920491), (7, 5668852), (14, 2834426), (28, 1417213), (49, 809836), (61, 650524), (98, 404918), (122, 325262), (196, 202459), (244, 162631), (427, 92932), (854, 46466), (1708, 23233), (2989, 13276), (3319, 11956), (5978, 6638)]