4977775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 7035264

約数和(自身を除く): 2057489

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 787, 1265, 3935, 6325, 8657, 18101, 19675, 43285, 90505, 199111, 216425, 452525, 995555, 4977775]

約数ペア:

[(1, 4977775), (5, 995555), (11, 452525), (23, 216425), (25, 199111), (55, 90505), (115, 43285), (253, 19675), (275, 18101), (575, 8657), (787, 6325), (1265, 3935)]