16828805

素因数分解:

$5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 23700600

約数和(自身を除く): 6871795

約数列:

[1, 5, 7, 35, 49, 149, 245, 461, 745, 1043, 2305, 3227, 5215, 7301, 16135, 22589, 36505, 68689, 112945, 343445, 480823, 2404115, 3365761, 16828805]

約数ペア:

[(1, 16828805), (5, 3365761), (7, 2404115), (35, 480823), (49, 343445), (149, 112945), (245, 68689), (461, 36505), (745, 22589), (1043, 16135), (2305, 7301), (3227, 5215)]