28910330

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 53887680

約数和(自身を除く): 24977350

約数列:

[1, 2, 5, 10, 41, 82, 107, 205, 214, 410, 535, 659, 1070, 1318, 3295, 4387, 6590, 8774, 21935, 27019, 43870, 54038, 70513, 135095, 141026, 270190, 352565, 705130, 2891033, 5782066, 14455165, 28910330]

約数ペア:

[(1, 28910330), (2, 14455165), (5, 5782066), (10, 2891033), (41, 705130), (82, 352565), (107, 270190), (205, 141026), (214, 135095), (410, 70513), (535, 54038), (659, 43870), (1070, 27019), (1318, 21935), (3295, 8774), (4387, 6590)]