672382615

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 842688000

約数和(自身を除く): 170305385

約数列:

[1, 5, 43, 139, 149, 151, 215, 695, 745, 755, 5977, 6407, 6493, 20711, 20989, 22499, 29885, 32035, 32465, 103555, 104945, 112495, 890573, 902527, 967457, 3127361, 4452865, 4512635, 4837285, 15636805, 134476523, 672382615]

約数ペア:

[(1, 672382615), (5, 134476523), (43, 15636805), (139, 4837285), (149, 4512635), (151, 4452865), (215, 3127361), (695, 967457), (745, 902527), (755, 890573), (5977, 112495), (6407, 104945), (6493, 103555), (20711, 32465), (20989, 32035), (22499, 29885)]