890243368

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73259}}^1$

素因数の和:73310

約数の個数: 48

約数和(自身を含む): 2004393600

約数和(自身を除く): 1114150232

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1736, 3038, 6076, 12152, 73259, 146518, 293036, 512813, 586072, 1025626, 2051252, 2271029, 3589691, 4102504, 4542058, 7179382, 9084116, 14358764, 15897203, 18168232, 28717528, 31794406, 63588812, 111280421, 127177624, 222560842, 445121684, 890243368]

約数ペア:

[(1, 890243368), (2, 445121684), (4, 222560842), (7, 127177624), (8, 111280421), (14, 63588812), (28, 31794406), (31, 28717528), (49, 18168232), (56, 15897203), (62, 14358764), (98, 9084116), (124, 7179382), (196, 4542058), (217, 4102504), (248, 3589691), (392, 2271029), (434, 2051252), (868, 1025626), (1519, 586072), (1736, 512813), (3038, 293036), (6076, 146518), (12152, 73259)]