81683196

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138917}}^1$

素因数の和:138938

約数の個数: 36

約数和(自身を含む): 221713128

約数和(自身を除く): 140029932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138917, 277834, 416751, 555668, 833502, 972419, 1667004, 1944838, 2917257, 3889676, 5834514, 6806933, 11669028, 13613866, 20420799, 27227732, 40841598, 81683196]

約数ペア:

[(1, 81683196), (2, 40841598), (3, 27227732), (4, 20420799), (6, 13613866), (7, 11669028), (12, 6806933), (14, 5834514), (21, 3889676), (28, 2917257), (42, 1944838), (49, 1667004), (84, 972419), (98, 833502), (147, 555668), (196, 416751), (294, 277834), (588, 138917)]