78117712

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{72871}}^1$

素因数の和:72946

約数の個数: 20

約数和(自身を含む): 153614176

約数和(自身を除く): 75496464

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 72871, 145742, 291484, 582968, 1165936, 4882357, 9764714, 19529428, 39058856, 78117712]

約数ペア:

[(1, 78117712), (2, 39058856), (4, 19529428), (8, 9764714), (16, 4882357), (67, 1165936), (134, 582968), (268, 291484), (536, 145742), (1072, 72871)]