8981728

素因数分解:

$2^5\times 7^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 20460384

約数和(自身を除く): 11478656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 101, 112, 202, 224, 397, 404, 707, 794, 808, 1414, 1588, 1616, 2779, 2828, 3176, 3232, 5558, 5656, 6352, 11116, 11312, 12704, 22232, 22624, 40097, 44464, 80194, 88928, 160388, 280679, 320776, 561358, 641552, 1122716, 1283104, 2245432, 4490864, 8981728]

約数ペア:

[(1, 8981728), (2, 4490864), (4, 2245432), (7, 1283104), (8, 1122716), (14, 641552), (16, 561358), (28, 320776), (32, 280679), (56, 160388), (101, 88928), (112, 80194), (202, 44464), (224, 40097), (397, 22624), (404, 22232), (707, 12704), (794, 11312), (808, 11116), (1414, 6352), (1588, 5656), (1616, 5558), (2779, 3232), (2828, 3176)]