3988775

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 5904384

約数和(自身を除く): 1915609

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 991, 4025, 4955, 6937, 22793, 24775, 34685, 113965, 159551, 173425, 569825, 797755, 3988775]

約数ペア:

[(1, 3988775), (5, 797755), (7, 569825), (23, 173425), (25, 159551), (35, 113965), (115, 34685), (161, 24775), (175, 22793), (575, 6937), (805, 4955), (991, 4025)]