68686288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{390263}}^1$

素因数の和:390282

約数の個数: 20

約数和(自身を含む): 145178208

約数和(自身を除く): 76491920

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 390263, 780526, 1561052, 3122104, 4292893, 6244208, 8585786, 17171572, 34343144, 68686288]

約数ペア:

[(1, 68686288), (2, 34343144), (4, 17171572), (8, 8585786), (11, 6244208), (16, 4292893), (22, 3122104), (44, 1561052), (88, 780526), (176, 390263)]