25209998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 19303282

約数列:

[1, 2, 11, 19, 22, 38, 41, 82, 209, 418, 451, 779, 902, 1471, 1558, 2942, 8569, 16181, 17138, 27949, 32362, 55898, 60311, 120622, 307439, 614878, 663421, 1145909, 1326842, 2291818, 12604999, 25209998]

約数ペア:

[(1, 25209998), (2, 12604999), (11, 2291818), (19, 1326842), (22, 1145909), (38, 663421), (41, 614878), (82, 307439), (209, 120622), (418, 60311), (451, 55898), (779, 32362), (902, 27949), (1471, 17138), (1558, 16181), (2942, 8569)]