1279071730

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1\times {\mathrm{1871}}^1$

素因数の和:2514

約数の個数: 32

約数和(自身を含む): 2325024000

約数和(自身を除く): 1045952270

約数列:

[1, 2, 5, 10, 137, 274, 499, 685, 998, 1370, 1871, 2495, 3742, 4990, 9355, 18710, 68363, 136726, 256327, 341815, 512654, 683630, 933629, 1281635, 1867258, 2563270, 4668145, 9336290, 127907173, 255814346, 639535865, 1279071730]

約数ペア:

[(1, 1279071730), (2, 639535865), (5, 255814346), (10, 127907173), (137, 9336290), (274, 4668145), (499, 2563270), (685, 1867258), (998, 1281635), (1370, 933629), (1871, 683630), (2495, 512654), (3742, 341815), (4990, 256327), (9355, 136726), (18710, 68363)]