319216

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:360

約数の個数: 20

約数和(自身を含む): 629424

約数和(自身を除く): 310208

約数列:

[1, 2, 4, 8, 16, 71, 142, 281, 284, 562, 568, 1124, 1136, 2248, 4496, 19951, 39902, 79804, 159608, 319216]

約数ペア:

[(1, 319216), (2, 159608), (4, 79804), (8, 39902), (16, 19951), (71, 4496), (142, 2248), (281, 1136), (284, 1124), (562, 568)]