51342785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 70495488

約数和(自身を除く): 19152703

約数列:

[1, 5, 13, 23, 61, 65, 115, 299, 305, 563, 793, 1403, 1495, 2815, 3965, 7015, 7319, 12949, 18239, 34343, 36595, 64745, 91195, 168337, 171715, 446459, 789889, 841685, 2232295, 3949445, 10268557, 51342785]

約数ペア:

[(1, 51342785), (5, 10268557), (13, 3949445), (23, 2232295), (61, 841685), (65, 789889), (115, 446459), (299, 171715), (305, 168337), (563, 91195), (793, 64745), (1403, 36595), (1495, 34343), (2815, 18239), (3965, 12949), (7015, 7319)]