81588688

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{449}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 162880200

約数和(自身を除く): 81291512

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 277, 328, 449, 554, 656, 898, 1108, 1796, 2216, 3592, 4432, 7184, 11357, 18409, 22714, 36818, 45428, 73636, 90856, 124373, 147272, 181712, 248746, 294544, 497492, 994984, 1989968, 5099293, 10198586, 20397172, 40794344, 81588688]

約数ペア:

[(1, 81588688), (2, 40794344), (4, 20397172), (8, 10198586), (16, 5099293), (41, 1989968), (82, 994984), (164, 497492), (277, 294544), (328, 248746), (449, 181712), (554, 147272), (656, 124373), (898, 90856), (1108, 73636), (1796, 45428), (2216, 36818), (3592, 22714), (4432, 18409), (7184, 11357)]