2131097171

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 2694850560

約数和(自身を除く): 563753389

約数列:

[1, 7, 19, 47, 49, 113, 133, 329, 431, 791, 893, 931, 2147, 2303, 3017, 5311, 5537, 6251, 8189, 15029, 20257, 21119, 37177, 43757, 48703, 57323, 100909, 105203, 141799, 260239, 340921, 384883, 401261, 706363, 925357, 992593, 2289041, 2386447, 2694181, 4944541, 6477499, 16023287, 18859267, 43491779, 45342493, 112163009, 304442453, 2131097171]

約数ペア:

[(1, 2131097171), (7, 304442453), (19, 112163009), (47, 45342493), (49, 43491779), (113, 18859267), (133, 16023287), (329, 6477499), (431, 4944541), (791, 2694181), (893, 2386447), (931, 2289041), (2147, 992593), (2303, 925357), (3017, 706363), (5311, 401261), (5537, 384883), (6251, 340921), (8189, 260239), (15029, 141799), (20257, 105203), (21119, 100909), (37177, 57323), (43757, 48703)]