256681404

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{145511}}^1$

素因数の和:145535

約数の個数: 54

約数和(自身を含む): 754770744

約数和(自身を除く): 498089340

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, 145511, 291022, 436533, 582044, 873066, 1018577, 1309599, 1746132, 2037154, 2619198, 3055731, 4074308, 5238396, 6111462, 7130039, 9167193, 12222924, 14260078, 18334386, 21390117, 28520156, 36668772, 42780234, 64170351, 85560468, 128340702, 256681404]

約数ペア:

[(1, 256681404), (2, 128340702), (3, 85560468), (4, 64170351), (6, 42780234), (7, 36668772), (9, 28520156), (12, 21390117), (14, 18334386), (18, 14260078), (21, 12222924), (28, 9167193), (36, 7130039), (42, 6111462), (49, 5238396), (63, 4074308), (84, 3055731), (98, 2619198), (126, 2037154), (147, 1746132), (196, 1309599), (252, 1018577), (294, 873066), (441, 582044), (588, 436533), (882, 291022), (1764, 145511)]