66774158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 112825440

約数和(自身を除く): 46051282

約数列:

[1, 2, 11, 22, 41, 82, 181, 362, 409, 451, 818, 902, 1991, 3982, 4499, 7421, 8998, 14842, 16769, 33538, 74029, 81631, 148058, 163262, 184459, 368918, 814319, 1628638, 3035189, 6070378, 33387079, 66774158]

約数ペア:

[(1, 66774158), (2, 33387079), (11, 6070378), (22, 3035189), (41, 1628638), (82, 814319), (181, 368918), (362, 184459), (409, 163262), (451, 148058), (818, 81631), (902, 74029), (1991, 33538), (3982, 16769), (4499, 14842), (7421, 8998)]