81374398

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{15667}}^1$

素因数の和:15736

約数の個数: 24

約数和(自身を含む): 144678312

約数和(自身を除く): 63303914

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 5194, 15667, 31334, 109669, 219338, 767683, 830351, 1535366, 1660702, 5812457, 11624914, 40687199, 81374398]

約数ペア:

[(1, 81374398), (2, 40687199), (7, 11624914), (14, 5812457), (49, 1660702), (53, 1535366), (98, 830351), (106, 767683), (371, 219338), (742, 109669), (2597, 31334), (5194, 15667)]