1242142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:575

約数の個数: 16

約数和(自身を含む): 2052864

約数和(自身を除く): 810722

約数列:

[1, 2, 11, 22, 131, 262, 431, 862, 1441, 2882, 4741, 9482, 56461, 112922, 621071, 1242142]

約数ペア:

[(1, 1242142), (2, 621071), (11, 112922), (22, 56461), (131, 9482), (262, 4741), (431, 2882), (862, 1441)]