256735544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{4513}}^1$

素因数の和:5079

約数の個数: 32

約数和(自身を含む): 519471120

約数和(自身を除く): 262735576

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 547, 1094, 2188, 4376, 4513, 7111, 9026, 14222, 18052, 28444, 36104, 56888, 58669, 117338, 234676, 469352, 2468611, 4937222, 9874444, 19748888, 32091943, 64183886, 128367772, 256735544]

約数ペア:

[(1, 256735544), (2, 128367772), (4, 64183886), (8, 32091943), (13, 19748888), (26, 9874444), (52, 4937222), (104, 2468611), (547, 469352), (1094, 234676), (2188, 117338), (4376, 58669), (4513, 56888), (7111, 36104), (9026, 28444), (14222, 18052)]