51990235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 72119808

約数和(自身を除く): 20129573

約数列:

[1, 5, 11, 23, 55, 73, 115, 253, 365, 563, 803, 1265, 1679, 2815, 4015, 6193, 8395, 12949, 18469, 30965, 41099, 64745, 92345, 142439, 205495, 452089, 712195, 945277, 2260445, 4726385, 10398047, 51990235]

約数ペア:

[(1, 51990235), (5, 10398047), (11, 4726385), (23, 2260445), (55, 945277), (73, 712195), (115, 452089), (253, 205495), (365, 142439), (563, 92345), (803, 64745), (1265, 41099), (1679, 30965), (2815, 18469), (4015, 12949), (6193, 8395)]