81788644

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{18143}}^1$

素因数の和:18184

約数の個数: 36

約数和(自身を含む): 173746944

約数和(自身を除く): 91958300

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 18143, 36286, 72572, 127001, 254002, 417289, 508004, 834578, 889007, 1669156, 1778014, 2921023, 3556028, 5842046, 11684092, 20447161, 40894322, 81788644]

約数ペア:

[(1, 81788644), (2, 40894322), (4, 20447161), (7, 11684092), (14, 5842046), (23, 3556028), (28, 2921023), (46, 1778014), (49, 1669156), (92, 889007), (98, 834578), (161, 508004), (196, 417289), (322, 254002), (644, 127001), (1127, 72572), (2254, 36286), (4508, 18143)]