688592021

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2693}}^1$

素因数の和:2825

約数の個数: 24

約数和(自身を含む): 798663240

約数和(自身を除く): 110071219

約数列:

[1, 13, 17, 89, 169, 221, 1157, 1513, 2693, 2873, 15041, 19669, 35009, 45781, 239677, 255697, 455117, 595153, 3115801, 4074509, 7736989, 40505413, 52968617, 688592021]

約数ペア:

[(1, 688592021), (13, 52968617), (17, 40505413), (89, 7736989), (169, 4074509), (221, 3115801), (1157, 595153), (1513, 455117), (2693, 255697), (2873, 239677), (15041, 45781), (19669, 35009)]