258876215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{12973}}^1$

素因数の和:13298

約数の個数: 16

約数和(自身を含む): 335663328

約数和(自身を除く): 76787113

約数列:

[1, 5, 13, 65, 307, 1535, 3991, 12973, 19955, 64865, 168649, 843245, 3982711, 19913555, 51775243, 258876215]

約数ペア:

[(1, 258876215), (5, 51775243), (13, 19913555), (65, 3982711), (307, 843245), (1535, 168649), (3991, 64865), (12973, 19955)]