30881872

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2677}}^1$

素因数の和:2795

約数の個数: 40

約数和(自身を含む): 69070976

約数和(自身を除く): 38189104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2677, 2884, 5354, 5768, 10708, 11536, 18739, 21416, 37478, 42832, 74956, 149912, 275731, 299824, 551462, 1102924, 1930117, 2205848, 3860234, 4411696, 7720468, 15440936, 30881872]

約数ペア:

[(1, 30881872), (2, 15440936), (4, 7720468), (7, 4411696), (8, 3860234), (14, 2205848), (16, 1930117), (28, 1102924), (56, 551462), (103, 299824), (112, 275731), (206, 149912), (412, 74956), (721, 42832), (824, 37478), (1442, 21416), (1648, 18739), (2677, 11536), (2884, 10708), (5354, 5768)]