2139414928

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{196927}}^1$

素因数の和:197039

約数の個数: 40

約数和(自身を含む): 4786138112

約数和(自身を除く): 2646723184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 196927, 393854, 787708, 1378489, 1575416, 2756978, 3150832, 5513956, 11027912, 19101919, 22055824, 38203838, 76407676, 133713433, 152815352, 267426866, 305630704, 534853732, 1069707464, 2139414928]

約数ペア:

[(1, 2139414928), (2, 1069707464), (4, 534853732), (7, 305630704), (8, 267426866), (14, 152815352), (16, 133713433), (28, 76407676), (56, 38203838), (97, 22055824), (112, 19101919), (194, 11027912), (388, 5513956), (679, 3150832), (776, 2756978), (1358, 1575416), (1552, 1378489), (2716, 787708), (5432, 393854), (10864, 196927)]