78728188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{577}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 172456704

約数和(自身を除く): 93728516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 443, 577, 886, 1154, 1772, 2308, 3101, 4039, 4873, 6202, 6347, 8078, 9746, 12404, 12694, 16156, 19492, 25388, 34111, 44429, 68222, 88858, 136444, 177716, 255611, 511222, 1022444, 1789277, 2811721, 3578554, 5623442, 7157108, 11246884, 19682047, 39364094, 78728188]

約数ペア:

[(1, 78728188), (2, 39364094), (4, 19682047), (7, 11246884), (11, 7157108), (14, 5623442), (22, 3578554), (28, 2811721), (44, 1789277), (77, 1022444), (154, 511222), (308, 255611), (443, 177716), (577, 136444), (886, 88858), (1154, 68222), (1772, 44429), (2308, 34111), (3101, 25388), (4039, 19492), (4873, 16156), (6202, 12694), (6347, 12404), (8078, 9746)]