78857996

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{39667}}^1$

素因数の和:39749

約数の個数: 24

約数和(自身を含む): 159941376

約数和(自身を除く): 81083380

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 39667, 79334, 158668, 277669, 555338, 1110676, 2816357, 5632714, 11265428, 19714499, 39428998, 78857996]

約数ペア:

[(1, 78857996), (2, 39428998), (4, 19714499), (7, 11265428), (14, 5632714), (28, 2816357), (71, 1110676), (142, 555338), (284, 277669), (497, 158668), (994, 79334), (1988, 39667)]