81472090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4637}}^1$

素因数の和:4902

約数の個数: 32

約数和(自身を含む): 168303744

約数和(自身を除く): 86831654

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1255, 1757, 2510, 3514, 4637, 8785, 9274, 17570, 23185, 32459, 46370, 64918, 162295, 324590, 1163887, 2327774, 5819435, 8147209, 11638870, 16294418, 40736045, 81472090]

約数ペア:

[(1, 81472090), (2, 40736045), (5, 16294418), (7, 11638870), (10, 8147209), (14, 5819435), (35, 2327774), (70, 1163887), (251, 324590), (502, 162295), (1255, 64918), (1757, 46370), (2510, 32459), (3514, 23185), (4637, 17570), (8785, 9274)]