388631805

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{8599}}^1$

素因数の和:8761

約数の個数: 32

約数和(自身を含む): 653875200

約数和(自身を除く): 265243395

約数列:

[1, 3, 5, 15, 23, 69, 115, 131, 345, 393, 655, 1965, 3013, 8599, 9039, 15065, 25797, 42995, 45195, 128985, 197777, 593331, 988885, 1126469, 2966655, 3379407, 5632345, 16897035, 25908787, 77726361, 129543935, 388631805]

約数ペア:

[(1, 388631805), (3, 129543935), (5, 77726361), (15, 25908787), (23, 16897035), (69, 5632345), (115, 3379407), (131, 2966655), (345, 1126469), (393, 988885), (655, 593331), (1965, 197777), (3013, 128985), (8599, 45195), (9039, 42995), (15065, 25797)]