28118428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3947}}^1$

素因数の和:4101

約数の個数: 24

約数和(自身を含む): 53392752

約数和(自身を除く): 25274324

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 3947, 7124, 7894, 15788, 51311, 102622, 205244, 540739, 1081478, 2162956, 7029607, 14059214, 28118428]

約数ペア:

[(1, 28118428), (2, 14059214), (4, 7029607), (13, 2162956), (26, 1081478), (52, 540739), (137, 205244), (274, 102622), (548, 51311), (1781, 15788), (3562, 7894), (3947, 7124)]