1609985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 32

約数和(自身を含む): 2322432

約数和(自身を除く): 712447

約数列:

[1, 5, 13, 17, 31, 47, 65, 85, 155, 221, 235, 403, 527, 611, 799, 1105, 1457, 2015, 2635, 3055, 3995, 6851, 7285, 10387, 18941, 24769, 34255, 51935, 94705, 123845, 321997, 1609985]

約数ペア:

[(1, 1609985), (5, 321997), (13, 123845), (17, 94705), (31, 51935), (47, 34255), (65, 24769), (85, 18941), (155, 10387), (221, 7285), (235, 6851), (403, 3995), (527, 3055), (611, 2635), (799, 2015), (1105, 1457)]