201717728

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4493}}^1$

素因数の和:4587

約数の個数: 48

約数和(自身を含む): 421285536

約数和(自身を除く): 219567808

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 61, 92, 122, 184, 244, 368, 488, 736, 976, 1403, 1952, 2806, 4493, 5612, 8986, 11224, 17972, 22448, 35944, 44896, 71888, 103339, 143776, 206678, 274073, 413356, 548146, 826712, 1096292, 1653424, 2192584, 3306848, 4385168, 6303679, 8770336, 12607358, 25214716, 50429432, 100858864, 201717728]

約数ペア:

[(1, 201717728), (2, 100858864), (4, 50429432), (8, 25214716), (16, 12607358), (23, 8770336), (32, 6303679), (46, 4385168), (61, 3306848), (92, 2192584), (122, 1653424), (184, 1096292), (244, 826712), (368, 548146), (488, 413356), (736, 274073), (976, 206678), (1403, 143776), (1952, 103339), (2806, 71888), (4493, 44896), (5612, 35944), (8986, 22448), (11224, 17972)]