51875369

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 69866496

約数和(自身を除く): 17991127

約数列:

[1, 7, 13, 31, 37, 49, 71, 91, 217, 259, 403, 481, 497, 637, 923, 1147, 1519, 1813, 2201, 2627, 2821, 3367, 3479, 6461, 8029, 14911, 15407, 18389, 19747, 23569, 28613, 34151, 45227, 56203, 81437, 104377, 107849, 128723, 200291, 239057, 570059, 730639, 1058681, 1402037, 1673399, 3990413, 7410767, 51875369]

約数ペア:

[(1, 51875369), (7, 7410767), (13, 3990413), (31, 1673399), (37, 1402037), (49, 1058681), (71, 730639), (91, 570059), (217, 239057), (259, 200291), (403, 128723), (481, 107849), (497, 104377), (637, 81437), (923, 56203), (1147, 45227), (1519, 34151), (1813, 28613), (2201, 23569), (2627, 19747), (2821, 18389), (3367, 15407), (3479, 14911), (6461, 8029)]