71982806

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2719}}^1$

素因数の和:2820

約数の個数: 32

約数和(自身を含む): 129515520

約数和(自身を除く): 57532714

約数列:

[1, 2, 7, 14, 31, 61, 62, 122, 217, 427, 434, 854, 1891, 2719, 3782, 5438, 13237, 19033, 26474, 38066, 84289, 165859, 168578, 331718, 590023, 1161013, 1180046, 2322026, 5141629, 10283258, 35991403, 71982806]

約数ペア:

[(1, 71982806), (2, 35991403), (7, 10283258), (14, 5141629), (31, 2322026), (61, 1180046), (62, 1161013), (122, 590023), (217, 331718), (427, 168578), (434, 165859), (854, 84289), (1891, 38066), (2719, 26474), (3782, 19033), (5438, 13237)]