291445848

素因数分解:

$2^3\times 3^2\times {\mathrm{199}}^1\times {\mathrm{20341}}^1$

素因数の和:20552

約数の個数: 48

約数和(自身を含む): 793338000

約数和(自身を除く): 501892152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 199, 398, 597, 796, 1194, 1592, 1791, 2388, 3582, 4776, 7164, 14328, 20341, 40682, 61023, 81364, 122046, 162728, 183069, 244092, 366138, 488184, 732276, 1464552, 4047859, 8095718, 12143577, 16191436, 24287154, 32382872, 36430731, 48574308, 72861462, 97148616, 145722924, 291445848]

約数ペア:

[(1, 291445848), (2, 145722924), (3, 97148616), (4, 72861462), (6, 48574308), (8, 36430731), (9, 32382872), (12, 24287154), (18, 16191436), (24, 12143577), (36, 8095718), (72, 4047859), (199, 1464552), (398, 732276), (597, 488184), (796, 366138), (1194, 244092), (1592, 183069), (1791, 162728), (2388, 122046), (3582, 81364), (4776, 61023), (7164, 40682), (14328, 20341)]