19974156935

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 24372900864

約数和(自身を除く): 4398743929

約数列:

[1, 5, 151, 257, 311, 331, 755, 1285, 1555, 1655, 38807, 46961, 49981, 79927, 85067, 102941, 194035, 234805, 249905, 399635, 425335, 514705, 12068977, 12845117, 15544091, 26455837, 60344885, 64225585, 77720455, 132279185, 3994831387, 19974156935]

約数ペア:

[(1, 19974156935), (5, 3994831387), (151, 132279185), (257, 77720455), (311, 64225585), (331, 60344885), (755, 26455837), (1285, 15544091), (1555, 12845117), (1655, 12068977), (38807, 514705), (46961, 425335), (49981, 399635), (79927, 249905), (85067, 234805), (102941, 194035)]