78897490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{23981}}^1$

素因数の和:24042

約数の個数: 32

約数和(自身を含む): 165763584

約数和(自身を除く): 86866094

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 23981, 47962, 119905, 167867, 239810, 335734, 839335, 1127107, 1678670, 2254214, 5635535, 7889749, 11271070, 15779498, 39448745, 78897490]

約数ペア:

[(1, 78897490), (2, 39448745), (5, 15779498), (7, 11271070), (10, 7889749), (14, 5635535), (35, 2254214), (47, 1678670), (70, 1127107), (94, 839335), (235, 335734), (329, 239810), (470, 167867), (658, 119905), (1645, 47962), (3290, 23981)]