28511375

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 38098944

約数和(自身を除く): 9587569

約数列:

[1, 5, 23, 25, 47, 115, 125, 211, 235, 575, 1055, 1081, 1175, 2875, 4853, 5275, 5405, 5875, 9917, 24265, 26375, 27025, 49585, 121325, 135125, 228091, 247925, 606625, 1140455, 1239625, 5702275, 28511375]

約数ペア:

[(1, 28511375), (5, 5702275), (23, 1239625), (25, 1140455), (47, 606625), (115, 247925), (125, 228091), (211, 135125), (235, 121325), (575, 49585), (1055, 27025), (1081, 26375), (1175, 24265), (2875, 9917), (4853, 5875), (5275, 5405)]