291621906

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{227}}^1\times {\mathrm{479}}^1$

素因数の和:863

約数の個数: 48

約数和(自身を含む): 640224000

約数和(自身を除く): 348602094

約数列:

[1, 2, 3, 6, 9, 18, 149, 227, 298, 447, 454, 479, 681, 894, 958, 1341, 1362, 1437, 2043, 2682, 2874, 4086, 4311, 8622, 33823, 67646, 71371, 101469, 108733, 142742, 202938, 214113, 217466, 304407, 326199, 428226, 608814, 642339, 652398, 978597, 1284678, 1957194, 16201217, 32402434, 48603651, 97207302, 145810953, 291621906]

約数ペア:

[(1, 291621906), (2, 145810953), (3, 97207302), (6, 48603651), (9, 32402434), (18, 16201217), (149, 1957194), (227, 1284678), (298, 978597), (447, 652398), (454, 642339), (479, 608814), (681, 428226), (894, 326199), (958, 304407), (1341, 217466), (1362, 214113), (1437, 202938), (2043, 142742), (2682, 108733), (2874, 101469), (4086, 71371), (4311, 67646), (8622, 33823)]