1972825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 2642688

約数和(自身を除く): 669863

約数列:

[1, 5, 23, 25, 47, 73, 115, 235, 365, 575, 1081, 1175, 1679, 1825, 3431, 5405, 8395, 17155, 27025, 41975, 78913, 85775, 394565, 1972825]

約数ペア:

[(1, 1972825), (5, 394565), (23, 85775), (25, 78913), (47, 41975), (73, 27025), (115, 17155), (235, 8395), (365, 5405), (575, 3431), (1081, 1825), (1175, 1679)]