2195981905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{12979}}^1$

素因数の和:13153

約数の個数: 32

約数和(自身を含む): 3009283200

約数和(自身を除く): 813301295

約数列:

[1, 5, 13, 19, 65, 95, 137, 247, 685, 1235, 1781, 2603, 8905, 12979, 13015, 33839, 64895, 168727, 169195, 246601, 843635, 1233005, 1778123, 3205813, 8890615, 16029065, 23115599, 33784337, 115577995, 168921685, 439196381, 2195981905]

約数ペア:

[(1, 2195981905), (5, 439196381), (13, 168921685), (19, 115577995), (65, 33784337), (95, 23115599), (137, 16029065), (247, 8890615), (685, 3205813), (1235, 1778123), (1781, 1233005), (2603, 843635), (8905, 246601), (12979, 169195), (13015, 168727), (33839, 64895)]