81142046

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{40289}}^1$

素因数の和:40363

約数の個数: 16

約数和(自身を含む): 130539600

約数和(自身を除く): 49397554

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 40289, 80578, 765491, 1530982, 2135317, 4270634, 40571023, 81142046]

約数ペア:

[(1, 81142046), (2, 40571023), (19, 4270634), (38, 2135317), (53, 1530982), (106, 765491), (1007, 80578), (2014, 40289)]