28521818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 49197456

約数和(自身を除く): 20675638

約数列:

[1, 2, 13, 17, 26, 34, 173, 221, 346, 373, 442, 746, 2249, 2941, 4498, 4849, 5882, 6341, 9698, 12682, 38233, 64529, 76466, 82433, 129058, 164866, 838877, 1096993, 1677754, 2193986, 14260909, 28521818]

約数ペア:

[(1, 28521818), (2, 14260909), (13, 2193986), (17, 1677754), (26, 1096993), (34, 838877), (173, 164866), (221, 129058), (346, 82433), (373, 76466), (442, 64529), (746, 38233), (2249, 12682), (2941, 9698), (4498, 6341), (4849, 5882)]