28618842

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 67010112

約数和(自身を除く): 38391270

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 311, 313, 622, 626, 933, 939, 1866, 1878, 2177, 2191, 4354, 4382, 6531, 6573, 13062, 13146, 15239, 15337, 30478, 30674, 45717, 46011, 91434, 92022, 97343, 194686, 292029, 584058, 681401, 1362802, 2044203, 4088406, 4769807, 9539614, 14309421, 28618842]

約数ペア:

[(1, 28618842), (2, 14309421), (3, 9539614), (6, 4769807), (7, 4088406), (14, 2044203), (21, 1362802), (42, 681401), (49, 584058), (98, 292029), (147, 194686), (294, 97343), (311, 92022), (313, 91434), (622, 46011), (626, 45717), (933, 30674), (939, 30478), (1866, 15337), (1878, 15239), (2177, 13146), (2191, 13062), (4354, 6573), (4382, 6531)]