16016855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 5272105

約数列:

[1, 5, 23, 41, 43, 79, 115, 205, 215, 395, 943, 989, 1763, 1817, 3239, 3397, 4715, 4945, 8815, 9085, 16195, 16985, 40549, 74497, 78131, 139277, 202745, 372485, 390655, 696385, 3203371, 16016855]

約数ペア:

[(1, 16016855), (5, 3203371), (23, 696385), (41, 390655), (43, 372485), (79, 202745), (115, 139277), (205, 78131), (215, 74497), (395, 40549), (943, 16985), (989, 16195), (1763, 9085), (1817, 8815), (3239, 4945), (3397, 4715)]