81142892

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{1667}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 145903296

約数和(自身を除く): 64760404

約数列:

[1, 2, 4, 43, 86, 172, 283, 566, 1132, 1667, 3334, 6668, 12169, 24338, 48676, 71681, 143362, 286724, 471761, 943522, 1887044, 20285723, 40571446, 81142892]

約数ペア:

[(1, 81142892), (2, 40571446), (4, 20285723), (43, 1887044), (86, 943522), (172, 471761), (283, 286724), (566, 143362), (1132, 71681), (1667, 48676), (3334, 24338), (6668, 12169)]