81945578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1583}}^1$

素因数の和:1790

約数の個数: 32

約数和(自身を含む): 145297152

約数和(自身を除く): 63351574

約数列:

[1, 2, 11, 13, 22, 26, 143, 181, 286, 362, 1583, 1991, 2353, 3166, 3982, 4706, 17413, 20579, 25883, 34826, 41158, 51766, 226369, 286523, 452738, 573046, 3151753, 3724799, 6303506, 7449598, 40972789, 81945578]

約数ペア:

[(1, 81945578), (2, 40972789), (11, 7449598), (13, 6303506), (22, 3724799), (26, 3151753), (143, 573046), (181, 452738), (286, 286523), (362, 226369), (1583, 51766), (1991, 41158), (2353, 34826), (3166, 25883), (3982, 20579), (4706, 17413)]