87657865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 118039680

約数和(自身を除く): 30381815

約数列:

[1, 5, 17, 29, 43, 85, 145, 215, 493, 731, 827, 1247, 2465, 3655, 4135, 6235, 14059, 21199, 23983, 35561, 70295, 105995, 119915, 177805, 407711, 604537, 1031269, 2038555, 3022685, 5156345, 17531573, 87657865]

約数ペア:

[(1, 87657865), (5, 17531573), (17, 5156345), (29, 3022685), (43, 2038555), (85, 1031269), (145, 604537), (215, 407711), (493, 177805), (731, 119915), (827, 105995), (1247, 70295), (2465, 35561), (3655, 23983), (4135, 21199), (6235, 14059)]