157020925

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:358

約数の個数: 36

約数和(自身を含む): 209830816

約数和(自身を除く): 52809891

約数列:

[1, 5, 17, 25, 85, 103, 211, 289, 425, 515, 1055, 1445, 1751, 2575, 3587, 5275, 7225, 8755, 17935, 21733, 29767, 43775, 60979, 89675, 108665, 148835, 304895, 369461, 543325, 744175, 1524475, 1847305, 6280837, 9236525, 31404185, 157020925]

約数ペア:

[(1, 157020925), (5, 31404185), (17, 9236525), (25, 6280837), (85, 1847305), (103, 1524475), (211, 744175), (289, 543325), (425, 369461), (515, 304895), (1055, 148835), (1445, 108665), (1751, 89675), (2575, 60979), (3587, 43775), (5275, 29767), (7225, 21733), (8755, 17935)]