278360555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 374492160

約数和(自身を除く): 96131605

約数列:

[1, 5, 11, 47, 55, 235, 257, 419, 517, 1285, 2095, 2585, 2827, 4609, 12079, 14135, 19693, 23045, 60395, 98465, 107683, 132869, 216623, 538415, 664345, 1083115, 1184513, 5061101, 5922565, 25305505, 55672111, 278360555]

約数ペア:

[(1, 278360555), (5, 55672111), (11, 25305505), (47, 5922565), (55, 5061101), (235, 1184513), (257, 1083115), (419, 664345), (517, 538415), (1285, 216623), (2095, 132869), (2585, 107683), (2827, 98465), (4609, 60395), (12079, 23045), (14135, 19693)]