139615724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{20641}}^1$

素因数の和:20753

約数の個数: 24

約数和(自身を含む): 260089200

約数和(自身を除く): 120473476

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3382, 6764, 20641, 41282, 82564, 392179, 784358, 1568716, 1837049, 3674098, 7348196, 34903931, 69807862, 139615724]

約数ペア:

[(1, 139615724), (2, 69807862), (4, 34903931), (19, 7348196), (38, 3674098), (76, 1837049), (89, 1568716), (178, 784358), (356, 392179), (1691, 82564), (3382, 41282), (6764, 20641)]