66508816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19889}}^1$

素因数の和:19927

約数の個数: 40

約数和(自身を含む): 147981600

約数和(自身を除く): 81472784

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 19889, 39778, 79556, 159112, 218779, 318224, 377891, 437558, 755782, 875116, 1511564, 1750232, 3023128, 3500464, 4156801, 6046256, 8313602, 16627204, 33254408, 66508816]

約数ペア:

[(1, 66508816), (2, 33254408), (4, 16627204), (8, 8313602), (11, 6046256), (16, 4156801), (19, 3500464), (22, 3023128), (38, 1750232), (44, 1511564), (76, 875116), (88, 755782), (152, 437558), (176, 377891), (209, 318224), (304, 218779), (418, 159112), (836, 79556), (1672, 39778), (3344, 19889)]