215528642

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{2371}}^1$

素因数の和:2574

約数の個数: 32

約数和(自身を含む): 380734464

約数和(自身を除く): 165205822

約数列:

[1, 2, 7, 14, 43, 86, 151, 301, 302, 602, 1057, 2114, 2371, 4742, 6493, 12986, 16597, 33194, 45451, 90902, 101953, 203906, 358021, 713671, 716042, 1427342, 2506147, 5012294, 15394903, 30789806, 107764321, 215528642]

約数ペア:

[(1, 215528642), (2, 107764321), (7, 30789806), (14, 15394903), (43, 5012294), (86, 2506147), (151, 1427342), (301, 716042), (302, 713671), (602, 358021), (1057, 203906), (2114, 101953), (2371, 90902), (4742, 45451), (6493, 33194), (12986, 16597)]