78889558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2389}}^1$

素因数の和:2500

約数の個数: 32

約数和(自身を含む): 137664000

約数和(自身を除く): 58774442

約数列:

[1, 2, 11, 19, 22, 38, 79, 158, 209, 418, 869, 1501, 1738, 2389, 3002, 4778, 16511, 26279, 33022, 45391, 52558, 90782, 188731, 377462, 499301, 998602, 2076041, 3585889, 4152082, 7171778, 39444779, 78889558]

約数ペア:

[(1, 78889558), (2, 39444779), (11, 7171778), (19, 4152082), (22, 3585889), (38, 2076041), (79, 998602), (158, 499301), (209, 377462), (418, 188731), (869, 90782), (1501, 52558), (1738, 45391), (2389, 33022), (3002, 26279), (4778, 16511)]