2118415

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 2898720

約数和(自身を除く): 780305

約数列:

[1, 5, 13, 23, 65, 109, 115, 169, 299, 545, 845, 1417, 1495, 2507, 3887, 7085, 12535, 18421, 19435, 32591, 92105, 162955, 423683, 2118415]

約数ペア:

[(1, 2118415), (5, 423683), (13, 162955), (23, 92105), (65, 32591), (109, 19435), (115, 18421), (169, 12535), (299, 7085), (545, 3887), (845, 2507), (1417, 1495)]