178986492

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{991}}^1$

素因数の和:1203

約数の個数: 72

約数和(自身を含む): 471219840

約数和(自身を除く): 292233348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 173, 174, 261, 346, 348, 519, 522, 692, 991, 1038, 1044, 1557, 1982, 2076, 2973, 3114, 3964, 5017, 5946, 6228, 8919, 10034, 11892, 15051, 17838, 20068, 28739, 30102, 35676, 45153, 57478, 60204, 86217, 90306, 114956, 171443, 172434, 180612, 258651, 342886, 344868, 514329, 517302, 685772, 1028658, 1034604, 1542987, 2057316, 3085974, 4971847, 6171948, 9943694, 14915541, 19887388, 29831082, 44746623, 59662164, 89493246, 178986492]

約数ペア:

[(1, 178986492), (2, 89493246), (3, 59662164), (4, 44746623), (6, 29831082), (9, 19887388), (12, 14915541), (18, 9943694), (29, 6171948), (36, 4971847), (58, 3085974), (87, 2057316), (116, 1542987), (173, 1034604), (174, 1028658), (261, 685772), (346, 517302), (348, 514329), (519, 344868), (522, 342886), (692, 258651), (991, 180612), (1038, 172434), (1044, 171443), (1557, 114956), (1982, 90306), (2076, 86217), (2973, 60204), (3114, 57478), (3964, 45153), (5017, 35676), (5946, 30102), (6228, 28739), (8919, 20068), (10034, 17838), (11892, 15051)]