72163916

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{149099}}^1$

素因数の和:149125

約数の個数: 18

約数和(自身を含む): 138812100

約数和(自身を除く): 66648184

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 149099, 298198, 596396, 1640089, 3280178, 6560356, 18040979, 36081958, 72163916]

約数ペア:

[(1, 72163916), (2, 36081958), (4, 18040979), (11, 6560356), (22, 3280178), (44, 1640089), (121, 596396), (242, 298198), (484, 149099)]