71488976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11087}}^1$

素因数の和:11139

約数の個数: 40

約数和(自身を含む): 153990144

約数和(自身を除く): 82501168

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 11087, 22174, 44348, 88696, 144131, 177392, 288262, 343697, 576524, 687394, 1153048, 1374788, 2306096, 2749576, 4468061, 5499152, 8936122, 17872244, 35744488, 71488976]

約数ペア:

[(1, 71488976), (2, 35744488), (4, 17872244), (8, 8936122), (13, 5499152), (16, 4468061), (26, 2749576), (31, 2306096), (52, 1374788), (62, 1153048), (104, 687394), (124, 576524), (208, 343697), (248, 288262), (403, 177392), (496, 144131), (806, 88696), (1612, 44348), (3224, 22174), (6448, 11087)]