15471985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 20885760

約数和(自身を除く): 5413775

約数列:

[1, 5, 19, 23, 73, 95, 97, 115, 365, 437, 485, 1387, 1679, 1843, 2185, 2231, 6935, 7081, 8395, 9215, 11155, 31901, 35405, 42389, 134539, 159505, 162863, 211945, 672695, 814315, 3094397, 15471985]

約数ペア:

[(1, 15471985), (5, 3094397), (19, 814315), (23, 672695), (73, 211945), (95, 162863), (97, 159505), (115, 134539), (365, 42389), (437, 35405), (485, 31901), (1387, 11155), (1679, 9215), (1843, 8395), (2185, 7081), (2231, 6935)]