28149620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82793}}^1$

素因数の和:82819

約数の個数: 24

約数和(自身を含む): 62592264

約数和(自身を除く): 34442644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 82793, 165586, 331172, 413965, 827930, 1407481, 1655860, 2814962, 5629924, 7037405, 14074810, 28149620]

約数ペア:

[(1, 28149620), (2, 14074810), (4, 7037405), (5, 5629924), (10, 2814962), (17, 1655860), (20, 1407481), (34, 827930), (68, 413965), (85, 331172), (170, 165586), (340, 82793)]