2198365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 2935296

約数和(自身を除く): 736931

約数列:

[1, 5, 13, 31, 65, 155, 403, 1091, 2015, 5455, 14183, 33821, 70915, 169105, 439673, 2198365]

約数ペア:

[(1, 2198365), (5, 439673), (13, 169105), (31, 70915), (65, 33821), (155, 14183), (403, 5455), (1091, 2015)]