207881728

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 80

約数和(自身を含む): 439971840

約数和(自身を除く): 232090112

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 127, 128, 139, 184, 254, 256, 278, 368, 508, 512, 556, 736, 1016, 1112, 1472, 2032, 2224, 2921, 2944, 3197, 4064, 4448, 5842, 5888, 6394, 8128, 8896, 11684, 11776, 12788, 16256, 17653, 17792, 23368, 25576, 32512, 35306, 35584, 46736, 51152, 65024, 70612, 71168, 93472, 102304, 141224, 186944, 204608, 282448, 373888, 406019, 409216, 564896, 747776, 812038, 818432, 1129792, 1495552, 1624076, 1636864, 2259584, 3248152, 4519168, 6496304, 9038336, 12992608, 25985216, 51970432, 103940864, 207881728]

約数ペア:

[(1, 207881728), (2, 103940864), (4, 51970432), (8, 25985216), (16, 12992608), (23, 9038336), (32, 6496304), (46, 4519168), (64, 3248152), (92, 2259584), (127, 1636864), (128, 1624076), (139, 1495552), (184, 1129792), (254, 818432), (256, 812038), (278, 747776), (368, 564896), (508, 409216), (512, 406019), (556, 373888), (736, 282448), (1016, 204608), (1112, 186944), (1472, 141224), (2032, 102304), (2224, 93472), (2921, 71168), (2944, 70612), (3197, 65024), (4064, 51152), (4448, 46736), (5842, 35584), (5888, 35306), (6394, 32512), (8128, 25576), (8896, 23368), (11684, 17792), (11776, 17653), (12788, 16256)]