672019970416

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{531661369}}^1$

素因数の和:531661456

約数の個数: 20

約数和(自身を含む): 1318520197600

約数和(自身を除く): 646500227184

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 531661369, 1063322738, 2126645476, 4253290952, 8506581904, 42001248151, 84002496302, 168004992604, 336009985208, 672019970416]

約数ペア:

[(1, 672019970416), (2, 336009985208), (4, 168004992604), (8, 84002496302), (16, 42001248151), (79, 8506581904), (158, 4253290952), (316, 2126645476), (632, 1063322738), (1264, 531661369)]