2221408

素因数分解:

$2^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 5128704

約数和(自身を除く): 2907296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 94, 112, 188, 211, 224, 329, 376, 422, 658, 752, 844, 1316, 1477, 1504, 1688, 2632, 2954, 3376, 5264, 5908, 6752, 9917, 10528, 11816, 19834, 23632, 39668, 47264, 69419, 79336, 138838, 158672, 277676, 317344, 555352, 1110704, 2221408]

約数ペア:

[(1, 2221408), (2, 1110704), (4, 555352), (7, 317344), (8, 277676), (14, 158672), (16, 138838), (28, 79336), (32, 69419), (47, 47264), (56, 39668), (94, 23632), (112, 19834), (188, 11816), (211, 10528), (224, 9917), (329, 6752), (376, 5908), (422, 5264), (658, 3376), (752, 2954), (844, 2632), (1316, 1688), (1477, 1504)]