257514712

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1277}}^1$

素因数の和:1580

約数の個数: 64

約数和(自身を含む): 596877120

約数和(自身を除く): 339362408

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 277, 364, 554, 728, 1108, 1277, 1939, 2216, 2554, 3601, 3878, 5108, 7202, 7756, 8939, 10216, 14404, 15512, 16601, 17878, 25207, 28808, 33202, 35756, 50414, 66404, 71512, 100828, 116207, 132808, 201656, 232414, 353729, 464828, 707458, 929656, 1414916, 2476103, 2829832, 4598477, 4952206, 9196954, 9904412, 18393908, 19808824, 32189339, 36787816, 64378678, 128757356, 257514712]

約数ペア:

[(1, 257514712), (2, 128757356), (4, 64378678), (7, 36787816), (8, 32189339), (13, 19808824), (14, 18393908), (26, 9904412), (28, 9196954), (52, 4952206), (56, 4598477), (91, 2829832), (104, 2476103), (182, 1414916), (277, 929656), (364, 707458), (554, 464828), (728, 353729), (1108, 232414), (1277, 201656), (1939, 132808), (2216, 116207), (2554, 100828), (3601, 71512), (3878, 66404), (5108, 50414), (7202, 35756), (7756, 33202), (8939, 28808), (10216, 25207), (14404, 17878), (15512, 16601)]