405291232

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{541}}^1\times {\mathrm{571}}^1$

素因数の和:1163

約数の個数: 48

約数和(自身を含む): 820323504

約数和(自身を除く): 415032272

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 541, 571, 656, 1082, 1142, 1312, 2164, 2284, 4328, 4568, 8656, 9136, 17312, 18272, 22181, 23411, 44362, 46822, 88724, 93644, 177448, 187288, 308911, 354896, 374576, 617822, 709792, 749152, 1235644, 2471288, 4942576, 9885152, 12665351, 25330702, 50661404, 101322808, 202645616, 405291232]

約数ペア:

[(1, 405291232), (2, 202645616), (4, 101322808), (8, 50661404), (16, 25330702), (32, 12665351), (41, 9885152), (82, 4942576), (164, 2471288), (328, 1235644), (541, 749152), (571, 709792), (656, 617822), (1082, 374576), (1142, 354896), (1312, 308911), (2164, 187288), (2284, 177448), (4328, 93644), (4568, 88724), (8656, 46822), (9136, 44362), (17312, 23411), (18272, 22181)]