40591978

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 71463168

約数和(自身を除く): 30871190

約数列:

[1, 2, 7, 14, 71, 97, 142, 194, 421, 497, 679, 842, 994, 1358, 2947, 5894, 6887, 13774, 29891, 40837, 48209, 59782, 81674, 96418, 209237, 285859, 418474, 571718, 2899427, 5798854, 20295989, 40591978]

約数ペア:

[(1, 40591978), (2, 20295989), (7, 5798854), (14, 2899427), (71, 571718), (97, 418474), (142, 285859), (194, 209237), (421, 96418), (497, 81674), (679, 59782), (842, 48209), (994, 40837), (1358, 29891), (2947, 13774), (5894, 6887)]