256880453739

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{49523897}}^1$

素因数の和:49523939

約数の個数: 32

約数和(自身を含む): 443734126080

約数和(自身を除く): 186853672341

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 49523897, 148571691, 346667279, 643810661, 940954043, 1040001837, 1931431983, 2822862129, 4506674627, 6586678301, 12232402559, 13520023881, 19760034903, 36697207677, 85626817913, 256880453739]

約数ペア:

[(1, 256880453739), (3, 85626817913), (7, 36697207677), (13, 19760034903), (19, 13520023881), (21, 12232402559), (39, 6586678301), (57, 4506674627), (91, 2822862129), (133, 1931431983), (247, 1040001837), (273, 940954043), (399, 643810661), (741, 346667279), (1729, 148571691), (5187, 49523897)]