208066677

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 362396160

約数和(自身を除く): 154329483

約数列:

[1, 3, 7, 13, 21, 29, 39, 41, 87, 91, 123, 203, 273, 287, 377, 533, 609, 641, 861, 1131, 1189, 1599, 1923, 2639, 3567, 3731, 4487, 7917, 8323, 8333, 11193, 13461, 15457, 18589, 24969, 24999, 26281, 46371, 55767, 58331, 78843, 108199, 130123, 174993, 183967, 241657, 324597, 341653, 390369, 551901, 724971, 762149, 1024959, 1691599, 2286447, 2391571, 5074797, 5335043, 7174713, 9907937, 16005129, 29723811, 69355559, 208066677]

約数ペア:

[(1, 208066677), (3, 69355559), (7, 29723811), (13, 16005129), (21, 9907937), (29, 7174713), (39, 5335043), (41, 5074797), (87, 2391571), (91, 2286447), (123, 1691599), (203, 1024959), (273, 762149), (287, 724971), (377, 551901), (533, 390369), (609, 341653), (641, 324597), (861, 241657), (1131, 183967), (1189, 174993), (1599, 130123), (1923, 108199), (2639, 78843), (3567, 58331), (3731, 55767), (4487, 46371), (7917, 26281), (8323, 24999), (8333, 24969), (11193, 18589), (13461, 15457)]