139815235

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 199987200

約数和(自身を除く): 60171965

約数列:

[1, 5, 7, 29, 35, 139, 145, 203, 695, 973, 991, 1015, 4031, 4865, 4955, 6937, 20155, 28217, 28739, 34685, 137749, 141085, 143695, 201173, 688745, 964243, 1005865, 3994721, 4821215, 19973605, 27963047, 139815235]

約数ペア:

[(1, 139815235), (5, 27963047), (7, 19973605), (29, 4821215), (35, 3994721), (139, 1005865), (145, 964243), (203, 688745), (695, 201173), (973, 143695), (991, 141085), (1015, 137749), (4031, 34685), (4865, 28739), (4955, 28217), (6937, 20155)]