81960655

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 119992320

約数和(自身を除く): 38031665

約数列:

[1, 5, 7, 17, 35, 85, 119, 139, 595, 695, 973, 991, 2363, 4865, 4955, 6937, 11815, 16541, 16847, 34685, 82705, 84235, 117929, 137749, 589645, 688745, 964243, 2341733, 4821215, 11708665, 16392131, 81960655]

約数ペア:

[(1, 81960655), (5, 16392131), (7, 11708665), (17, 4821215), (35, 2341733), (85, 964243), (119, 688745), (139, 589645), (595, 137749), (695, 117929), (973, 84235), (991, 82705), (2363, 34685), (4865, 16847), (4955, 16541), (6937, 11815)]