81309664

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{133733}}^1$

素因数の和:133762

約数の個数: 24

約数和(自身を含む): 168504840

約数和(自身を除く): 87195176

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 133733, 267466, 534932, 1069864, 2139728, 2540927, 4279456, 5081854, 10163708, 20327416, 40654832, 81309664]

約数ペア:

[(1, 81309664), (2, 40654832), (4, 20327416), (8, 10163708), (16, 5081854), (19, 4279456), (32, 2540927), (38, 2139728), (76, 1069864), (152, 534932), (304, 267466), (608, 133733)]