81321410

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{36467}}^1$

素因数の和:36697

約数の個数: 16

約数和(自身を含む): 147038976

約数和(自身を除く): 65717566

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 36467, 72934, 182335, 364670, 8132141, 16264282, 40660705, 81321410]

約数ペア:

[(1, 81321410), (2, 40660705), (5, 16264282), (10, 8132141), (223, 364670), (446, 182335), (1115, 72934), (2230, 36467)]