203971568

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{411233}}^1$

素因数の和:411272

約数の個数: 20

約数和(自身を含む): 407944128

約数和(自身を除く): 203972560

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 411233, 822466, 1644932, 3289864, 6579728, 12748223, 25496446, 50992892, 101985784, 203971568]

約数ペア:

[(1, 203971568), (2, 101985784), (4, 50992892), (8, 25496446), (16, 12748223), (31, 6579728), (62, 3289864), (124, 1644932), (248, 822466), (496, 411233)]