644485247

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 780088320

約数和(自身を除く): 135603073

約数列:

[1, 7, 43, 53, 71, 301, 371, 497, 569, 2279, 3053, 3763, 3983, 15953, 21371, 24467, 26341, 30157, 40399, 161809, 171269, 211099, 282793, 1132663, 1296751, 1737157, 2141147, 9077257, 12160099, 14988029, 92069321, 644485247]

約数ペア:

[(1, 644485247), (7, 92069321), (43, 14988029), (53, 12160099), (71, 9077257), (301, 2141147), (371, 1737157), (497, 1296751), (569, 1132663), (2279, 282793), (3053, 211099), (3763, 171269), (3983, 161809), (15953, 40399), (21371, 30157), (24467, 26341)]