28667380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2111}}^1$

素因数の和:2224

約数の個数: 48

約数和(自身を含む): 69543936

約数和(自身を除く): 40876556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2111, 2716, 3395, 4222, 6790, 8444, 10555, 13580, 14777, 21110, 29554, 42220, 59108, 73885, 147770, 204767, 295540, 409534, 819068, 1023835, 1433369, 2047670, 2866738, 4095340, 5733476, 7166845, 14333690, 28667380]

約数ペア:

[(1, 28667380), (2, 14333690), (4, 7166845), (5, 5733476), (7, 4095340), (10, 2866738), (14, 2047670), (20, 1433369), (28, 1023835), (35, 819068), (70, 409534), (97, 295540), (140, 204767), (194, 147770), (388, 73885), (485, 59108), (679, 42220), (970, 29554), (1358, 21110), (1940, 14777), (2111, 13580), (2716, 10555), (3395, 8444), (4222, 6790)]