54649985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 79497936

約数和(自身を除く): 24847951

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 137, 221, 247, 323, 361, 685, 1105, 1235, 1615, 1781, 1805, 2329, 2603, 4199, 4693, 6137, 8905, 11645, 13015, 20995, 23465, 30277, 30685, 33839, 44251, 49457, 79781, 151385, 169195, 221255, 247285, 398905, 575263, 642941, 840769, 2876315, 3214705, 4203845, 10929997, 54649985]

約数ペア:

[(1, 54649985), (5, 10929997), (13, 4203845), (17, 3214705), (19, 2876315), (65, 840769), (85, 642941), (95, 575263), (137, 398905), (221, 247285), (247, 221255), (323, 169195), (361, 151385), (685, 79781), (1105, 49457), (1235, 44251), (1615, 33839), (1781, 30685), (1805, 30277), (2329, 23465), (2603, 20995), (4199, 13015), (4693, 11645), (6137, 8905)]