217672308

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{123397}}^1$

素因数の和:123421

約数の個数: 54

約数和(自身を含む): 640065426

約数和(自身を除く): 422393118

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, 123397, 246794, 370191, 493588, 740382, 863779, 1110573, 1480764, 1727558, 2221146, 2591337, 3455116, 4442292, 5182674, 6046453, 7774011, 10365348, 12092906, 15548022, 18139359, 24185812, 31096044, 36278718, 54418077, 72557436, 108836154, 217672308]

約数ペア:

[(1, 217672308), (2, 108836154), (3, 72557436), (4, 54418077), (6, 36278718), (7, 31096044), (9, 24185812), (12, 18139359), (14, 15548022), (18, 12092906), (21, 10365348), (28, 7774011), (36, 6046453), (42, 5182674), (49, 4442292), (63, 3455116), (84, 2591337), (98, 2221146), (126, 1727558), (147, 1480764), (196, 1110573), (252, 863779), (294, 740382), (441, 493588), (588, 370191), (882, 246794), (1764, 123397)]