31881715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1039}}^1$

素因数の和:1099

約数の個数: 24

約数和(自身を含む): 42793920

約数和(自身を除く): 10912205

約数列:

[1, 5, 17, 19, 85, 95, 323, 361, 1039, 1615, 1805, 5195, 6137, 17663, 19741, 30685, 88315, 98705, 335597, 375079, 1677985, 1875395, 6376343, 31881715]

約数ペア:

[(1, 31881715), (5, 6376343), (17, 1875395), (19, 1677985), (85, 375079), (95, 335597), (323, 98705), (361, 88315), (1039, 30685), (1615, 19741), (1805, 17663), (5195, 6137)]