28366705

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 37509120

約数和(自身を除く): 9142415

約数列:

[1, 5, 23, 31, 73, 109, 115, 155, 365, 545, 713, 1679, 2263, 2507, 3379, 3565, 7957, 8395, 11315, 12535, 16895, 39785, 52049, 77717, 183011, 246667, 260245, 388585, 915055, 1233335, 5673341, 28366705]

約数ペア:

[(1, 28366705), (5, 5673341), (23, 1233335), (31, 915055), (73, 388585), (109, 260245), (115, 246667), (155, 183011), (365, 77717), (545, 52049), (713, 39785), (1679, 16895), (2263, 12535), (2507, 11315), (3379, 8395), (3565, 7957)]