1991550184

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{242399}}^1$

素因数の和:242497

約数の個数: 32

約数和(自身を含む): 4072320000

約数和(自身を除く): 2080769816

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 8216, 242399, 484798, 969596, 1939192, 3151187, 6302374, 12604748, 19149521, 25209496, 38299042, 76598084, 153196168, 248943773, 497887546, 995775092, 1991550184]

約数ペア:

[(1, 1991550184), (2, 995775092), (4, 497887546), (8, 248943773), (13, 153196168), (26, 76598084), (52, 38299042), (79, 25209496), (104, 19149521), (158, 12604748), (316, 6302374), (632, 3151187), (1027, 1939192), (2054, 969596), (4108, 484798), (8216, 242399)]