156985431631

素因数分解:

$7^2\times {\mathrm{137}}^1\times {\mathrm{421}}^1\times {\mathrm{55547}}^1$

素因数の和:56119

約数の個数: 24

約数和(自身を含む): 184388919696

約数和(自身を除く): 27403488065

約数列:

[1, 7, 49, 137, 421, 959, 2947, 6713, 20629, 55547, 57677, 388829, 403739, 2721803, 2826173, 7609939, 23385287, 53269573, 163697009, 372887011, 1145879063, 3203784319, 22426490233, 156985431631]

約数ペア:

[(1, 156985431631), (7, 22426490233), (49, 3203784319), (137, 1145879063), (421, 372887011), (959, 163697009), (2947, 53269573), (6713, 23385287), (20629, 7609939), (55547, 2826173), (57677, 2721803), (388829, 403739)]