215907718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{739}}^1$

素因数の和:1432

約数の個数: 32

約数和(自身を含む): 370349280

約数和(自身を除く): 154441562

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 661, 739, 1322, 1478, 8593, 9607, 11237, 12563, 17186, 19214, 22474, 25126, 146081, 163319, 292162, 326638, 488479, 976958, 6350227, 8304143, 12700454, 16608286, 107953859, 215907718]

約数ペア:

[(1, 215907718), (2, 107953859), (13, 16608286), (17, 12700454), (26, 8304143), (34, 6350227), (221, 976958), (442, 488479), (661, 326638), (739, 292162), (1322, 163319), (1478, 146081), (8593, 25126), (9607, 22474), (11237, 19214), (12563, 17186)]