81237564

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2393}}^1$

素因数の和:2467

約数の個数: 72

約数和(自身を含む): 219596832

約数和(自身を除く): 138359268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 41, 46, 69, 82, 92, 123, 138, 164, 207, 246, 276, 369, 414, 492, 738, 828, 943, 1476, 1886, 2393, 2829, 3772, 4786, 5658, 7179, 8487, 9572, 11316, 14358, 16974, 21537, 28716, 33948, 43074, 55039, 86148, 98113, 110078, 165117, 196226, 220156, 294339, 330234, 392452, 495351, 588678, 660468, 883017, 990702, 1177356, 1766034, 1981404, 2256599, 3532068, 4513198, 6769797, 9026396, 13539594, 20309391, 27079188, 40618782, 81237564]

約数ペア:

[(1, 81237564), (2, 40618782), (3, 27079188), (4, 20309391), (6, 13539594), (9, 9026396), (12, 6769797), (18, 4513198), (23, 3532068), (36, 2256599), (41, 1981404), (46, 1766034), (69, 1177356), (82, 990702), (92, 883017), (123, 660468), (138, 588678), (164, 495351), (207, 392452), (246, 330234), (276, 294339), (369, 220156), (414, 196226), (492, 165117), (738, 110078), (828, 98113), (943, 86148), (1476, 55039), (1886, 43074), (2393, 33948), (2829, 28716), (3772, 21537), (4786, 16974), (5658, 14358), (7179, 11316), (8487, 9572)]