142000405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{38851}}^1$

素因数の和:38916

約数の個数: 16

約数和(自身を含む): 184624704

約数和(自身を除く): 42624299

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 38851, 194255, 660467, 1670593, 3302335, 8352965, 28400081, 142000405]

約数ペア:

[(1, 142000405), (5, 28400081), (17, 8352965), (43, 3302335), (85, 1670593), (215, 660467), (731, 194255), (3655, 38851)]