31001654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 20838346

約数列:

[1, 2, 19, 23, 38, 46, 79, 158, 437, 449, 874, 898, 1501, 1817, 3002, 3634, 8531, 10327, 17062, 20654, 34523, 35471, 69046, 70942, 196213, 392426, 673949, 815833, 1347898, 1631666, 15500827, 31001654]

約数ペア:

[(1, 31001654), (2, 15500827), (19, 1631666), (23, 1347898), (38, 815833), (46, 673949), (79, 392426), (158, 196213), (437, 70942), (449, 69046), (874, 35471), (898, 34523), (1501, 20654), (1817, 17062), (3002, 10327), (3634, 8531)]