1220725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 1732032

約数和(自身を除く): 511307

約数列:

[1, 5, 11, 23, 25, 55, 115, 193, 253, 275, 575, 965, 1265, 2123, 4439, 4825, 6325, 10615, 22195, 48829, 53075, 110975, 244145, 1220725]

約数ペア:

[(1, 1220725), (5, 244145), (11, 110975), (23, 53075), (25, 48829), (55, 22195), (115, 10615), (193, 6325), (253, 4825), (275, 4439), (575, 2123), (965, 1265)]