201771479

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 59502121

約数列:

[1, 7, 13, 23, 91, 149, 161, 299, 647, 1043, 1937, 2093, 3427, 4529, 8411, 13559, 14881, 23989, 44551, 58877, 96403, 104167, 193453, 311857, 674821, 1253239, 1354171, 2217269, 8772673, 15520883, 28824497, 201771479]

約数ペア:

[(1, 201771479), (7, 28824497), (13, 15520883), (23, 8772673), (91, 2217269), (149, 1354171), (161, 1253239), (299, 674821), (647, 311857), (1043, 193453), (1937, 104167), (2093, 96403), (3427, 58877), (4529, 44551), (8411, 23989), (13559, 14881)]