1280474362

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1\times {\mathrm{11821}}^1$

素因数の和:13185

約数の個数: 16

約数和(自身を含む): 1969214184

約数和(自身を除く): 688739822

約数列:

[1, 2, 41, 82, 1321, 2642, 11821, 23642, 54161, 108322, 484661, 969322, 15615541, 31231082, 640237181, 1280474362]

約数ペア:

[(1, 1280474362), (2, 640237181), (41, 31231082), (82, 15615541), (1321, 969322), (2642, 484661), (11821, 108322), (23642, 54161)]