81467516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{82457}}^1$

素因数の和:82493

約数の個数: 24

約数和(自身を含む): 161617680

約数和(自身を除く): 80150164

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 82457, 164914, 329828, 1071941, 1566683, 2143882, 3133366, 4287764, 6266732, 20366879, 40733758, 81467516]

約数ペア:

[(1, 81467516), (2, 40733758), (4, 20366879), (13, 6266732), (19, 4287764), (26, 3133366), (38, 2143882), (52, 1566683), (76, 1071941), (247, 329828), (494, 164914), (988, 82457)]