991918820158

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5261}}^1\times {\mathrm{123553}}^1$

素因数の和:128932

約数の個数: 32

約数和(自身を含む): 1716372630720

約数和(自身を除く): 724453810562

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 5261, 10522, 36827, 73654, 123553, 247106, 573449, 864871, 1146898, 1729742, 4014143, 8028286, 13467277, 26934554, 94270939, 188541878, 650012333, 1300024666, 4550086331, 9100172662, 70851344297, 141702688594, 495959410079, 991918820158]

約数ペア:

[(1, 991918820158), (2, 495959410079), (7, 141702688594), (14, 70851344297), (109, 9100172662), (218, 4550086331), (763, 1300024666), (1526, 650012333), (5261, 188541878), (10522, 94270939), (36827, 26934554), (73654, 13467277), (123553, 8028286), (247106, 4014143), (573449, 1729742), (864871, 1146898)]