25856404

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 53738496

約数和(自身を除く): 27882092

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 101, 164, 202, 223, 287, 404, 446, 574, 707, 892, 1148, 1414, 1561, 2828, 3122, 4141, 6244, 8282, 9143, 16564, 18286, 22523, 28987, 36572, 45046, 57974, 64001, 90092, 115948, 128002, 157661, 256004, 315322, 630644, 923443, 1846886, 3693772, 6464101, 12928202, 25856404]

約数ペア:

[(1, 25856404), (2, 12928202), (4, 6464101), (7, 3693772), (14, 1846886), (28, 923443), (41, 630644), (82, 315322), (101, 256004), (164, 157661), (202, 128002), (223, 115948), (287, 90092), (404, 64001), (446, 57974), (574, 45046), (707, 36572), (892, 28987), (1148, 22523), (1414, 18286), (1561, 16564), (2828, 9143), (3122, 8282), (4141, 6244)]