259360418

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{3461}}^1$

素因数の和:3973

約数の個数: 16

約数和(自身を含む): 394460280

約数和(自身を除く): 135099862

約数列:

[1, 2, 89, 178, 421, 842, 3461, 6922, 37469, 74938, 308029, 616058, 1457081, 2914162, 129680209, 259360418]

約数ペア:

[(1, 259360418), (2, 129680209), (89, 2914162), (178, 1457081), (421, 616058), (842, 308029), (3461, 74938), (6922, 37469)]