139690369

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{1549}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 172211200

約数和(自身を除く): 32520831

約数列:

[1, 7, 13, 91, 991, 1549, 6937, 10843, 12883, 20137, 90181, 140959, 1535059, 10745413, 19955767, 139690369]

約数ペア:

[(1, 139690369), (7, 19955767), (13, 10745413), (91, 1535059), (991, 140959), (1549, 90181), (6937, 20137), (10843, 12883)]