28710738

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1193}}^1$

素因数の和:1399

約数の個数: 48

約数和(自身を含む): 71525376

約数和(自身を除く): 42814638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 191, 382, 573, 1146, 1193, 1337, 1719, 2386, 2674, 3438, 3579, 4011, 7158, 8022, 8351, 10737, 12033, 16702, 21474, 24066, 25053, 50106, 75159, 150318, 227863, 455726, 683589, 1367178, 1595041, 2050767, 3190082, 4101534, 4785123, 9570246, 14355369, 28710738]

約数ペア:

[(1, 28710738), (2, 14355369), (3, 9570246), (6, 4785123), (7, 4101534), (9, 3190082), (14, 2050767), (18, 1595041), (21, 1367178), (42, 683589), (63, 455726), (126, 227863), (191, 150318), (382, 75159), (573, 50106), (1146, 25053), (1193, 24066), (1337, 21474), (1719, 16702), (2386, 12033), (2674, 10737), (3438, 8351), (3579, 8022), (4011, 7158)]