1290705918

素因数分解:

$2^1\times 3^1\times {\mathrm{401}}^1\times {\mathrm{536453}}^1$

素因数の和:536859

約数の個数: 16

約数和(自身を含む): 2587854096

約数和(自身を除く): 1297148178

約数列:

[1, 2, 3, 6, 401, 802, 1203, 2406, 536453, 1072906, 1609359, 3218718, 215117653, 430235306, 645352959, 1290705918]

約数ペア:

[(1, 1290705918), (2, 645352959), (3, 430235306), (6, 215117653), (401, 3218718), (802, 1609359), (1203, 1072906), (2406, 536453)]