249303728

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{112097}}^1$

素因数の和:112244

約数の個数: 20

約数和(自身を含む): 486505320

約数和(自身を除く): 237201592

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 112097, 224194, 448388, 896776, 1793552, 15581483, 31162966, 62325932, 124651864, 249303728]

約数ペア:

[(1, 249303728), (2, 124651864), (4, 62325932), (8, 31162966), (16, 15581483), (139, 1793552), (278, 896776), (556, 448388), (1112, 224194), (2224, 112097)]