2684368

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 5624640

約数和(自身を除く): 2940272

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 139, 142, 272, 278, 284, 556, 568, 1112, 1136, 1207, 2224, 2363, 2414, 4726, 4828, 9452, 9656, 9869, 18904, 19312, 19738, 37808, 39476, 78952, 157904, 167773, 335546, 671092, 1342184, 2684368]

約数ペア:

[(1, 2684368), (2, 1342184), (4, 671092), (8, 335546), (16, 167773), (17, 157904), (34, 78952), (68, 39476), (71, 37808), (136, 19738), (139, 19312), (142, 18904), (272, 9869), (278, 9656), (284, 9452), (556, 4828), (568, 4726), (1112, 2414), (1136, 2363), (1207, 2224)]