642786.0000000

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 13840512

約数和(自身を除く): 8315820

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 46, 69, 74, 92, 111, 138, 148, 222, 276, 444, 541, 851, 1082, 1623, 1702, 2164, 2553, 3246, 3404, 5106, 6492, 10212, 12443, 20017, 24886, 37329, 40034, 49772, 60051, 74658, 80068, 120102, 149316, 240204, 460391, 920782, 1381173, 1841564, 2762346, 5524692]

約数ペア:

[(1, 5524692), (2, 2762346), (3, 1841564), (4, 1381173), (6, 920782), (12, 460391), (23, 240204), (37, 149316), (46, 120102), (69, 80068), (74, 74658), (92, 60051), (111, 49772), (138, 40034), (148, 37329), (222, 24886), (276, 20017), (444, 12443), (541, 10212), (851, 6492), (1082, 5106), (1623, 3404), (1702, 3246), (2164, 2553)]