1981404

素因数分解:

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

素因数の和:2426

約数の個数: 36

約数和(自身を含む): 5228496

約数和(自身を除く): 3247092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 2393, 4786, 7179, 9572, 14358, 21537, 28716, 43074, 55039, 86148, 110078, 165117, 220156, 330234, 495351, 660468, 990702, 1981404]

約数ペア:

[(1, 1981404), (2, 990702), (3, 660468), (4, 495351), (6, 330234), (9, 220156), (12, 165117), (18, 110078), (23, 86148), (36, 55039), (46, 43074), (69, 28716), (92, 21537), (138, 14358), (207, 9572), (276, 7179), (414, 4786), (828, 2393)]