81790438

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 131880960

約数和(自身を除く): 50090522

約数列:

[1, 2, 23, 46, 71, 79, 142, 158, 317, 634, 1633, 1817, 3266, 3634, 5609, 7291, 11218, 14582, 22507, 25043, 45014, 50086, 129007, 258014, 517661, 575989, 1035322, 1151978, 1778053, 3556106, 40895219, 81790438]

約数ペア:

[(1, 81790438), (2, 40895219), (23, 3556106), (46, 1778053), (71, 1151978), (79, 1035322), (142, 575989), (158, 517661), (317, 258014), (634, 129007), (1633, 50086), (1817, 45014), (3266, 25043), (3634, 22507), (5609, 14582), (7291, 11218)]