81281396

素因数分解:

$2^2\times 7^3\times {\mathrm{59243}}^1$

素因数の和:59268

約数の個数: 24

約数和(自身を含む): 165883200

約数和(自身を除く): 84601804

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 59243, 118486, 236972, 414701, 829402, 1658804, 2902907, 5805814, 11611628, 20320349, 40640698, 81281396]

約数ペア:

[(1, 81281396), (2, 40640698), (4, 20320349), (7, 11611628), (14, 5805814), (28, 2902907), (49, 1658804), (98, 829402), (196, 414701), (343, 236972), (686, 118486), (1372, 59243)]