198163408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{399523}}^1$

素因数の和:399562

約数の個数: 20

約数和(自身を含む): 396327808

約数和(自身を除く): 198164400

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 399523, 799046, 1598092, 3196184, 6392368, 12385213, 24770426, 49540852, 99081704, 198163408]

約数ペア:

[(1, 198163408), (2, 99081704), (4, 49540852), (8, 24770426), (16, 12385213), (31, 6392368), (62, 3196184), (124, 1598092), (248, 799046), (496, 399523)]