689402137390

素因数分解:

$2^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{127431079}}^1$

素因数の和:127431627

約数の個数: 16

約数和(自身を含む): 1243217616480

約数和(自身を除く): 553815479090

約数列:

[1, 2, 5, 10, 541, 1082, 2705, 5410, 127431079, 254862158, 637155395, 1274310790, 68940213739, 137880427478, 344701068695, 689402137390]

約数ペア:

[(1, 689402137390), (2, 344701068695), (5, 137880427478), (10, 68940213739), (541, 1274310790), (1082, 637155395), (2705, 254862158), (5410, 127431079)]