2189408

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 4903920

約数和(自身を除く): 2714512

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 277, 304, 416, 494, 554, 608, 988, 1108, 1976, 2216, 3601, 3952, 4432, 5263, 7202, 7904, 8864, 10526, 14404, 21052, 28808, 42104, 57616, 68419, 84208, 115232, 136838, 168416, 273676, 547352, 1094704, 2189408]

約数ペア:

[(1, 2189408), (2, 1094704), (4, 547352), (8, 273676), (13, 168416), (16, 136838), (19, 115232), (26, 84208), (32, 68419), (38, 57616), (52, 42104), (76, 28808), (104, 21052), (152, 14404), (208, 10526), (247, 8864), (277, 7904), (304, 7202), (416, 5263), (494, 4432), (554, 3952), (608, 3601), (988, 2216), (1108, 1976)]