289323935

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 376233984

約数和(自身を除く): 86910049

約数列:

[1, 5, 17, 71, 85, 191, 251, 355, 955, 1207, 1255, 3247, 4267, 6035, 13561, 16235, 17821, 21335, 47941, 67805, 89105, 230537, 239705, 302957, 814997, 1152685, 1514785, 3403811, 4074985, 17019055, 57864787, 289323935]

約数ペア:

[(1, 289323935), (5, 57864787), (17, 17019055), (71, 4074985), (85, 3403811), (191, 1514785), (251, 1152685), (355, 814997), (955, 302957), (1207, 239705), (1255, 230537), (3247, 89105), (4267, 67805), (6035, 47941), (13561, 21335), (16235, 17821)]