203216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:998

約数の個数: 20

約数和(自身を含む): 424452

約数和(自身を除く): 221236

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 977, 1954, 3908, 7816, 12701, 15632, 25402, 50804, 101608, 203216]

約数ペア:

[(1, 203216), (2, 101608), (4, 50804), (8, 25402), (13, 15632), (16, 12701), (26, 7816), (52, 3908), (104, 1954), (208, 977)]