81859988

素因数分解:

$2^2\times 7^2\times {\mathrm{241}}^1\times {\mathrm{1733}}^1$

素因数の和:1992

約数の個数: 36

約数和(自身を含む): 167431572

約数和(自身を除く): 85571584

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 241, 482, 964, 1687, 1733, 3374, 3466, 6748, 6932, 11809, 12131, 23618, 24262, 47236, 48524, 84917, 169834, 339668, 417653, 835306, 1670612, 2923571, 5847142, 11694284, 20464997, 40929994, 81859988]

約数ペア:

[(1, 81859988), (2, 40929994), (4, 20464997), (7, 11694284), (14, 5847142), (28, 2923571), (49, 1670612), (98, 835306), (196, 417653), (241, 339668), (482, 169834), (964, 84917), (1687, 48524), (1733, 47236), (3374, 24262), (3466, 23618), (6748, 12131), (6932, 11809)]