28181778

素因数分解:

$2^1\times 3^1\times {\mathrm{251}}^1\times {\mathrm{18713}}^1$

素因数の和:18969

約数の個数: 16

約数和(自身を含む): 56591136

約数和(自身を除く): 28409358

約数列:

[1, 2, 3, 6, 251, 502, 753, 1506, 18713, 37426, 56139, 112278, 4696963, 9393926, 14090889, 28181778]

約数ペア:

[(1, 28181778), (2, 14090889), (3, 9393926), (6, 4696963), (251, 112278), (502, 56139), (753, 37426), (1506, 18713)]