87891848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1511}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 180169920

約数和(自身を除く): 92278072

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 661, 1322, 1511, 2644, 3022, 5288, 6044, 7271, 12088, 14542, 16621, 29084, 33242, 58168, 66484, 132968, 998771, 1997542, 3995084, 7990168, 10986481, 21972962, 43945924, 87891848]

約数ペア:

[(1, 87891848), (2, 43945924), (4, 21972962), (8, 10986481), (11, 7990168), (22, 3995084), (44, 1997542), (88, 998771), (661, 132968), (1322, 66484), (1511, 58168), (2644, 33242), (3022, 29084), (5288, 16621), (6044, 14542), (7271, 12088)]