87480368

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{321619}}^1$

素因数の和:321644

約数の個数: 20

約数和(自身を含む): 179463960

約数和(自身を除く): 91983592

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 321619, 643238, 1286476, 2572952, 5145904, 5467523, 10935046, 21870092, 43740184, 87480368]

約数ペア:

[(1, 87480368), (2, 43740184), (4, 21870092), (8, 10935046), (16, 5467523), (17, 5145904), (34, 2572952), (68, 1286476), (136, 643238), (272, 321619)]