16986145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 24230016

約数和(自身を除く): 7243871

約数列:

[1, 5, 11, 17, 37, 55, 85, 185, 187, 407, 491, 629, 935, 2035, 2455, 3145, 5401, 6919, 8347, 18167, 27005, 34595, 41735, 90835, 91817, 199837, 308839, 459085, 999185, 1544195, 3397229, 16986145]

約数ペア:

[(1, 16986145), (5, 3397229), (11, 1544195), (17, 999185), (37, 459085), (55, 308839), (85, 199837), (185, 91817), (187, 90835), (407, 41735), (491, 34595), (629, 27005), (935, 18167), (2035, 8347), (2455, 6919), (3145, 5401)]