81384752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267713}}^1$

素因数の和:267740

約数の個数: 20

約数和(自身を含む): 165982680

約数和(自身を除く): 84597928

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267713, 535426, 1070852, 2141704, 4283408, 5086547, 10173094, 20346188, 40692376, 81384752]

約数ペア:

[(1, 81384752), (2, 40692376), (4, 20346188), (8, 10173094), (16, 5086547), (19, 4283408), (38, 2141704), (76, 1070852), (152, 535426), (304, 267713)]