16778281585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{25117}}^1$

素因数の和:25417

約数の個数: 32

約数和(自身を含む): 22280670720

約数和(自身を除く): 5502389135

約数列:

[1, 5, 13, 43, 65, 215, 239, 559, 1195, 2795, 3107, 10277, 15535, 25117, 51385, 125585, 133601, 326521, 668005, 1080031, 1632605, 5400155, 6002963, 14040403, 30014815, 70202015, 78038519, 258127409, 390192595, 1290637045, 3355656317, 16778281585]

約数ペア:

[(1, 16778281585), (5, 3355656317), (13, 1290637045), (43, 390192595), (65, 258127409), (215, 78038519), (239, 70202015), (559, 30014815), (1195, 14040403), (2795, 6002963), (3107, 5400155), (10277, 1632605), (15535, 1080031), (25117, 668005), (51385, 326521), (125585, 133601)]