79997778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{634903}}^1$

素因数の和:634918

約数の個数: 24

約数和(自身を含む): 198090048

約数和(自身を除く): 118092270

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 634903, 1269806, 1904709, 3809418, 4444321, 5714127, 8888642, 11428254, 13332963, 26665926, 39998889, 79997778]

約数ペア:

[(1, 79997778), (2, 39998889), (3, 26665926), (6, 13332963), (7, 11428254), (9, 8888642), (14, 5714127), (18, 4444321), (21, 3809418), (42, 1904709), (63, 1269806), (126, 634903)]