390021051

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 644751360

約数和(自身を除く): 254730309

約数列:

[1, 3, 7, 21, 23, 43, 69, 89, 129, 161, 211, 267, 301, 483, 623, 633, 903, 989, 1477, 1869, 2047, 2967, 3827, 4431, 4853, 6141, 6923, 9073, 11481, 14329, 14559, 18779, 20769, 26789, 27219, 33971, 42987, 56337, 63511, 80367, 88021, 101913, 131453, 190533, 208679, 264063, 394359, 431917, 616147, 626037, 807497, 1295751, 1460753, 1848441, 2422491, 3023419, 4382259, 5652479, 9070257, 16957437, 18572431, 55717293, 130007017, 390021051]

約数ペア:

[(1, 390021051), (3, 130007017), (7, 55717293), (21, 18572431), (23, 16957437), (43, 9070257), (69, 5652479), (89, 4382259), (129, 3023419), (161, 2422491), (211, 1848441), (267, 1460753), (301, 1295751), (483, 807497), (623, 626037), (633, 616147), (903, 431917), (989, 394359), (1477, 264063), (1869, 208679), (2047, 190533), (2967, 131453), (3827, 101913), (4431, 88021), (4853, 80367), (6141, 63511), (6923, 56337), (9073, 42987), (11481, 33971), (14329, 27219), (14559, 26789), (18779, 20769)]