81169216

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{66751}}^1$

素因数の和:66782

約数の個数: 28

約数和(自身を含む): 169550080

約数和(自身を除く): 88380864

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 66751, 133502, 267004, 534008, 1068016, 1268269, 2136032, 2536538, 4272064, 5073076, 10146152, 20292304, 40584608, 81169216]

約数ペア:

[(1, 81169216), (2, 40584608), (4, 20292304), (8, 10146152), (16, 5073076), (19, 4272064), (32, 2536538), (38, 2136032), (64, 1268269), (76, 1068016), (152, 534008), (304, 267004), (608, 133502), (1216, 66751)]