390859888

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{1327}}^1$

素因数の和:1825

約数の個数: 40

約数和(自身を含む): 778075200

約数和(自身を除く): 387215312

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 449, 656, 898, 1327, 1796, 2654, 3592, 5308, 7184, 10616, 18409, 21232, 36818, 54407, 73636, 108814, 147272, 217628, 294544, 435256, 595823, 870512, 1191646, 2383292, 4766584, 9533168, 24428743, 48857486, 97714972, 195429944, 390859888]

約数ペア:

[(1, 390859888), (2, 195429944), (4, 97714972), (8, 48857486), (16, 24428743), (41, 9533168), (82, 4766584), (164, 2383292), (328, 1191646), (449, 870512), (656, 595823), (898, 435256), (1327, 294544), (1796, 217628), (2654, 147272), (3592, 108814), (5308, 73636), (7184, 54407), (10616, 36818), (18409, 21232)]