13380197525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1\times {\mathrm{509}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 17375316480

約数和(自身を除く): 3995118955

約数列:

[1, 5, 25, 31, 107, 155, 317, 509, 535, 775, 1585, 2545, 2675, 3317, 7925, 9827, 12725, 15779, 16585, 33919, 49135, 54463, 78895, 82925, 161353, 169595, 245675, 272315, 394475, 806765, 847975, 1051489, 1361575, 1688353, 4033825, 5001943, 5257445, 8441765, 17264771, 25009715, 26287225, 42208825, 86323855, 125048575, 431619275, 535207901, 2676039505, 13380197525]

約数ペア:

[(1, 13380197525), (5, 2676039505), (25, 535207901), (31, 431619275), (107, 125048575), (155, 86323855), (317, 42208825), (509, 26287225), (535, 25009715), (775, 17264771), (1585, 8441765), (2545, 5257445), (2675, 5001943), (3317, 4033825), (7925, 1688353), (9827, 1361575), (12725, 1051489), (15779, 847975), (16585, 806765), (33919, 394475), (49135, 272315), (54463, 245675), (78895, 169595), (82925, 161353)]