287434554

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{61339}}^1$

素因数の和:61426

約数の個数: 32

約数和(自身を含む): 635973120

約数和(自身を除く): 348538566

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4686, 61339, 122678, 184017, 368034, 674729, 1349458, 2024187, 4048374, 4355069, 8710138, 13065207, 26130414, 47905759, 95811518, 143717277, 287434554]

約数ペア:

[(1, 287434554), (2, 143717277), (3, 95811518), (6, 47905759), (11, 26130414), (22, 13065207), (33, 8710138), (66, 4355069), (71, 4048374), (142, 2024187), (213, 1349458), (426, 674729), (781, 368034), (1562, 184017), (2343, 122678), (4686, 61339)]