668889396

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{379189}}^1$

素因数の和:379213

約数の個数: 54

約数和(自身を含む): 1966858530

約数和(自身を除く): 1297969134

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 379189, 758378, 1137567, 1516756, 2275134, 2654323, 3412701, 4550268, 5308646, 6825402, 7962969, 10617292, 13650804, 15925938, 18580261, 23888907, 31851876, 37160522, 47777814, 55740783, 74321044, 95555628, 111481566, 167222349, 222963132, 334444698, 668889396]

約数ペア:

[(1, 668889396), (2, 334444698), (3, 222963132), (4, 167222349), (6, 111481566), (7, 95555628), (9, 74321044), (12, 55740783), (14, 47777814), (18, 37160522), (21, 31851876), (28, 23888907), (36, 18580261), (42, 15925938), (49, 13650804), (63, 10617292), (84, 7962969), (98, 6825402), (126, 5308646), (147, 4550268), (196, 3412701), (252, 2654323), (294, 2275134), (441, 1516756), (588, 1137567), (882, 758378), (1764, 379189)]