86891585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 32858815

約数列:

[1, 5, 11, 23, 55, 115, 149, 253, 461, 745, 1265, 1639, 2305, 3427, 5071, 8195, 10603, 17135, 25355, 37697, 53015, 68689, 116633, 188485, 343445, 583165, 755579, 1579847, 3777895, 7899235, 17378317, 86891585]

約数ペア:

[(1, 86891585), (5, 17378317), (11, 7899235), (23, 3777895), (55, 1579847), (115, 755579), (149, 583165), (253, 343445), (461, 188485), (745, 116633), (1265, 68689), (1639, 53015), (2305, 37697), (3427, 25355), (5071, 17135), (8195, 10603)]