1900952921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 2301032448

約数和(自身を除く): 400079527

約数列:

[1, 7, 23, 131, 161, 193, 467, 917, 1351, 3013, 3269, 4439, 10741, 21091, 25283, 31073, 61177, 75187, 90131, 176981, 428239, 581509, 630917, 1407071, 2073013, 4070563, 9849497, 11807161, 14511091, 82650127, 271564703, 1900952921]

約数ペア:

[(1, 1900952921), (7, 271564703), (23, 82650127), (131, 14511091), (161, 11807161), (193, 9849497), (467, 4070563), (917, 2073013), (1351, 1407071), (3013, 630917), (3269, 581509), (4439, 428239), (10741, 176981), (21091, 90131), (25283, 75187), (31073, 61177)]