389867.0000000

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:740

約数の個数: 24

約数和(自身を含む): 9221688

約数和(自身を除く): 4007794

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 581, 641, 1162, 1282, 4067, 4487, 8134, 8974, 31409, 53203, 62818, 106406, 372421, 744842, 2606947, 5213894]

約数ペア:

[(1, 5213894), (2, 2606947), (7, 744842), (14, 372421), (49, 106406), (83, 62818), (98, 53203), (166, 31409), (581, 8974), (641, 8134), (1162, 4487), (1282, 4067)]