161576604

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{991}}^1$

素因数の和:1655

約数の個数: 72

約数和(自身を含む): 467970048

約数和(自身を除く): 306393444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 647, 991, 1294, 1941, 1982, 2588, 2973, 3882, 3964, 4529, 5823, 5946, 6937, 7764, 8919, 9058, 11646, 11892, 13587, 13874, 17838, 18116, 20811, 23292, 27174, 27748, 35676, 40761, 41622, 54348, 62433, 81522, 83244, 124866, 163044, 249732, 641177, 1282354, 1923531, 2564708, 3847062, 4488239, 5770593, 7694124, 8976478, 11541186, 13464717, 17952956, 23082372, 26929434, 40394151, 53858868, 80788302, 161576604]

約数ペア:

[(1, 161576604), (2, 80788302), (3, 53858868), (4, 40394151), (6, 26929434), (7, 23082372), (9, 17952956), (12, 13464717), (14, 11541186), (18, 8976478), (21, 7694124), (28, 5770593), (36, 4488239), (42, 3847062), (63, 2564708), (84, 1923531), (126, 1282354), (252, 641177), (647, 249732), (991, 163044), (1294, 124866), (1941, 83244), (1982, 81522), (2588, 62433), (2973, 54348), (3882, 41622), (3964, 40761), (4529, 35676), (5823, 27748), (5946, 27174), (6937, 23292), (7764, 20811), (8919, 18116), (9058, 17838), (11646, 13874), (11892, 13587)]