128235016

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{499}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 297360000

約数和(自身を除く): 169124984

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 353, 364, 499, 706, 728, 998, 1412, 1996, 2471, 2824, 3493, 3992, 4589, 4942, 6487, 6986, 9178, 9884, 12974, 13972, 18356, 19768, 25948, 27944, 32123, 36712, 45409, 51896, 64246, 90818, 128492, 176147, 181636, 256984, 352294, 363272, 704588, 1233029, 1409176, 2289911, 2466058, 4579822, 4932116, 9159644, 9864232, 16029377, 18319288, 32058754, 64117508, 128235016]

約数ペア:

[(1, 128235016), (2, 64117508), (4, 32058754), (7, 18319288), (8, 16029377), (13, 9864232), (14, 9159644), (26, 4932116), (28, 4579822), (52, 2466058), (56, 2289911), (91, 1409176), (104, 1233029), (182, 704588), (353, 363272), (364, 352294), (499, 256984), (706, 181636), (728, 176147), (998, 128492), (1412, 90818), (1996, 64246), (2471, 51896), (2824, 45409), (3493, 36712), (3992, 32123), (4589, 27944), (4942, 25948), (6487, 19768), (6986, 18356), (9178, 13972), (9884, 12974)]