2019977570365

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{15121}}^1\times {\mathrm{16361}}^1$

素因数の和:31581

約数の個数: 32

約数和(自身を含む): 2565314468352

約数和(自身を除く): 545336897987

約数列:

[1, 5, 23, 71, 115, 355, 1633, 8165, 15121, 16361, 75605, 81805, 347783, 376303, 1073591, 1161631, 1738915, 1881515, 5367955, 5808155, 24692593, 26717513, 123462965, 133587565, 247394681, 1236973405, 5690077663, 17565022351, 28450388315, 87825111755, 403995514073, 2019977570365]

約数ペア:

[(1, 2019977570365), (5, 403995514073), (23, 87825111755), (71, 28450388315), (115, 17565022351), (355, 5690077663), (1633, 1236973405), (8165, 247394681), (15121, 133587565), (16361, 123462965), (75605, 26717513), (81805, 24692593), (347783, 5808155), (376303, 5367955), (1073591, 1881515), (1161631, 1738915)]