641534248

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{503}}^1\times {\mathrm{1217}}^1$

素因数の和:1857

約数の個数: 32

約数和(自身を含む): 1215466560

約数和(自身を除く): 573932312

約数列:

[1, 2, 4, 8, 131, 262, 503, 524, 1006, 1048, 1217, 2012, 2434, 4024, 4868, 9736, 65893, 131786, 159427, 263572, 318854, 527144, 612151, 637708, 1224302, 1275416, 2448604, 4897208, 80191781, 160383562, 320767124, 641534248]

約数ペア:

[(1, 641534248), (2, 320767124), (4, 160383562), (8, 80191781), (131, 4897208), (262, 2448604), (503, 1275416), (524, 1224302), (1006, 637708), (1048, 612151), (1217, 527144), (2012, 318854), (2434, 263572), (4024, 159427), (4868, 131786), (9736, 65893)]