1721139266

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{485923}}^1$

素因数の和:485966

約数の個数: 32

約数和(自身を含む): 3358706688

約数和(自身を除く): 1637567422

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 485923, 971846, 3401461, 5345153, 6802922, 10690306, 11176229, 22352458, 37416071, 74832142, 78233603, 122938519, 156467206, 245877038, 860569633, 1721139266]

約数ペア:

[(1, 1721139266), (2, 860569633), (7, 245877038), (11, 156467206), (14, 122938519), (22, 78233603), (23, 74832142), (46, 37416071), (77, 22352458), (154, 11176229), (161, 10690306), (253, 6802922), (322, 5345153), (506, 3401461), (1771, 971846), (3542, 485923)]