28567406

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 50645952

約数和(自身を除く): 22078546

約数列:

[1, 2, 7, 14, 41, 82, 157, 287, 314, 317, 574, 634, 1099, 2198, 2219, 4438, 6437, 12874, 12997, 25994, 45059, 49769, 90118, 90979, 99538, 181958, 348383, 696766, 2040529, 4081058, 14283703, 28567406]

約数ペア:

[(1, 28567406), (2, 14283703), (7, 4081058), (14, 2040529), (41, 696766), (82, 348383), (157, 181958), (287, 99538), (314, 90979), (317, 90118), (574, 49769), (634, 45059), (1099, 25994), (2198, 12997), (2219, 12874), (4438, 6437)]