81899506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1459}}^1$

素因数の和:1618

約数の個数: 32

約数和(自身を含む): 141281280

約数和(自身を除く): 59381774

約数列:

[1, 2, 13, 17, 26, 34, 127, 221, 254, 442, 1459, 1651, 2159, 2918, 3302, 4318, 18967, 24803, 28067, 37934, 49606, 56134, 185293, 322439, 370586, 644878, 2408809, 3149981, 4817618, 6299962, 40949753, 81899506]

約数ペア:

[(1, 81899506), (2, 40949753), (13, 6299962), (17, 4817618), (26, 3149981), (34, 2408809), (127, 644878), (221, 370586), (254, 322439), (442, 185293), (1459, 56134), (1651, 49606), (2159, 37934), (2918, 28067), (3302, 24803), (4318, 18967)]