28488145

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 41766912

約数和(自身を除く): 13278767

約数列:

[1, 5, 7, 23, 35, 43, 115, 161, 215, 301, 805, 823, 989, 1505, 4115, 4945, 5761, 6923, 18929, 28805, 34615, 35389, 94645, 132503, 176945, 247723, 662515, 813947, 1238615, 4069735, 5697629, 28488145]

約数ペア:

[(1, 28488145), (5, 5697629), (7, 4069735), (23, 1238615), (35, 813947), (43, 662515), (115, 247723), (161, 176945), (215, 132503), (301, 94645), (805, 35389), (823, 34615), (989, 28805), (1505, 18929), (4115, 6923), (4945, 5761)]