217259536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1044517}}^1$

素因数の和:1044538

約数の個数: 20

約数和(自身を含む): 453320812

約数和(自身を除く): 236061276

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1044517, 2089034, 4178068, 8356136, 13578721, 16712272, 27157442, 54314884, 108629768, 217259536]

約数ペア:

[(1, 217259536), (2, 108629768), (4, 54314884), (8, 27157442), (13, 16712272), (16, 13578721), (26, 8356136), (52, 4178068), (104, 2089034), (208, 1044517)]