81639124

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{153457}}^1$

素因数の和:153487

約数の個数: 24

約数和(自身を含む): 171872960

約数和(自身を除く): 90233836

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 153457, 306914, 613828, 1074199, 2148398, 2915683, 4296796, 5831366, 11662732, 20409781, 40819562, 81639124]

約数ペア:

[(1, 81639124), (2, 40819562), (4, 20409781), (7, 11662732), (14, 5831366), (19, 4296796), (28, 2915683), (38, 2148398), (76, 1074199), (133, 613828), (266, 306914), (532, 153457)]