505386

素因数分解:

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

素因数の和:216

約数の個数: 48

約数和(自身を含む): 1313280

約数和(自身を除く): 807894

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 191, 294, 378, 382, 441, 573, 882, 1146, 1323, 1337, 1719, 2646, 2674, 3438, 4011, 5157, 8022, 9359, 10314, 12033, 18718, 24066, 28077, 36099, 56154, 72198, 84231, 168462, 252693, 505386]

約数ペア:

[(1, 505386), (2, 252693), (3, 168462), (6, 84231), (7, 72198), (9, 56154), (14, 36099), (18, 28077), (21, 24066), (27, 18718), (42, 12033), (49, 10314), (54, 9359), (63, 8022), (98, 5157), (126, 4011), (147, 3438), (189, 2674), (191, 2646), (294, 1719), (378, 1337), (382, 1323), (441, 1146), (573, 882)]