128985128

素因数分解:

$2^3\times {\mathrm{149}}^1\times {\mathrm{241}}^1\times {\mathrm{449}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 245025000

約数和(自身を除く): 116039872

約数列:

[1, 2, 4, 8, 149, 241, 298, 449, 482, 596, 898, 964, 1192, 1796, 1928, 3592, 35909, 66901, 71818, 108209, 133802, 143636, 216418, 267604, 287272, 432836, 535208, 865672, 16123141, 32246282, 64492564, 128985128]

約数ペア:

[(1, 128985128), (2, 64492564), (4, 32246282), (8, 16123141), (149, 865672), (241, 535208), (298, 432836), (449, 287272), (482, 267604), (596, 216418), (898, 143636), (964, 133802), (1192, 108209), (1796, 71818), (1928, 66901), (3592, 35909)]