2221688

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 4821600

約数和(自身を除く): 2599912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 409, 679, 776, 818, 1358, 1636, 2716, 2863, 3272, 5432, 5726, 11452, 22904, 39673, 79346, 158692, 277711, 317384, 555422, 1110844, 2221688]

約数ペア:

[(1, 2221688), (2, 1110844), (4, 555422), (7, 317384), (8, 277711), (14, 158692), (28, 79346), (56, 39673), (97, 22904), (194, 11452), (388, 5726), (409, 5432), (679, 3272), (776, 2863), (818, 2716), (1358, 1636)]