1487971681

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 1877990400

約数和(自身を除く): 390018719

約数列:

[1, 7, 19, 49, 59, 103, 133, 263, 413, 721, 931, 1121, 1841, 1957, 2891, 4997, 5047, 6077, 7847, 12887, 13699, 15517, 27089, 34979, 42539, 54929, 95893, 108619, 115463, 189623, 244853, 294823, 297773, 514691, 760333, 808241, 1327361, 1598251, 2063761, 3602837, 5657687, 11187757, 14446327, 25219859, 30366769, 78314299, 212567383, 1487971681]

約数ペア:

[(1, 1487971681), (7, 212567383), (19, 78314299), (49, 30366769), (59, 25219859), (103, 14446327), (133, 11187757), (263, 5657687), (413, 3602837), (721, 2063761), (931, 1598251), (1121, 1327361), (1841, 808241), (1957, 760333), (2891, 514691), (4997, 297773), (5047, 294823), (6077, 244853), (7847, 189623), (12887, 115463), (13699, 108619), (15517, 95893), (27089, 54929), (34979, 42539)]