15779215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1019}}^1$

素因数の和:1206

約数の個数: 16

約数和(自身を含む): 20073600

約数和(自身を除く): 4294385

約数列:

[1, 5, 19, 95, 163, 815, 1019, 3097, 5095, 15485, 19361, 96805, 166097, 830485, 3155843, 15779215]

約数ペア:

[(1, 15779215), (5, 3155843), (19, 830485), (95, 166097), (163, 96805), (815, 19361), (1019, 15485), (3097, 5095)]