2019907897

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{1553}}^1\times {\mathrm{2617}}^1$

素因数の和:4248

約数の個数: 16

約数和(自身を含む): 2343382272

約数和(自身を除く): 323474375

約数列:

[1, 7, 71, 497, 1553, 2617, 10871, 18319, 110263, 185807, 771841, 1300649, 4064201, 28449407, 288558271, 2019907897]

約数ペア:

[(1, 2019907897), (7, 288558271), (71, 28449407), (497, 4064201), (1553, 1300649), (2617, 771841), (10871, 185807), (18319, 110263)]