638631939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{4871}}^1$

素因数の和:5051

約数の個数: 32

約数和(自身を含む): 968163840

約数和(自身を除く): 329531901

約数列:

[1, 3, 11, 29, 33, 87, 137, 319, 411, 957, 1507, 3973, 4521, 4871, 11919, 14613, 43703, 53581, 131109, 141259, 160743, 423777, 667327, 1553849, 2001981, 4661547, 7340597, 19352483, 22021791, 58057449, 212877313, 638631939]

約数ペア:

[(1, 638631939), (3, 212877313), (11, 58057449), (29, 22021791), (33, 19352483), (87, 7340597), (137, 4661547), (319, 2001981), (411, 1553849), (957, 667327), (1507, 423777), (3973, 160743), (4521, 141259), (4871, 131109), (11919, 53581), (14613, 43703)]