61642555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 87562944

約数和(自身を除く): 25920389

約数列:

[1, 5, 13, 19, 37, 65, 71, 95, 185, 247, 355, 361, 481, 703, 923, 1235, 1349, 1805, 2405, 2627, 3515, 4615, 4693, 6745, 9139, 13135, 13357, 17537, 23465, 25631, 34151, 45695, 49913, 66785, 87685, 128155, 170755, 173641, 249565, 333203, 648869, 868205, 948347, 1666015, 3244345, 4741735, 12328511, 61642555]

約数ペア:

[(1, 61642555), (5, 12328511), (13, 4741735), (19, 3244345), (37, 1666015), (65, 948347), (71, 868205), (95, 648869), (185, 333203), (247, 249565), (355, 173641), (361, 170755), (481, 128155), (703, 87685), (923, 66785), (1235, 49913), (1349, 45695), (1805, 34151), (2405, 25631), (2627, 23465), (3515, 17537), (4615, 13357), (4693, 13135), (6745, 9139)]