257662977

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 414885888

約数和(自身を除く): 157222911

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 169, 429, 507, 517, 611, 983, 1551, 1833, 1859, 2949, 5577, 6721, 7943, 10813, 12779, 20163, 23829, 32439, 38337, 46201, 87373, 138603, 140569, 166127, 262119, 421707, 498381, 508211, 600613, 1524633, 1801839, 1827397, 5482191, 6606743, 7807969, 19820229, 23423907, 85887659, 257662977]

約数ペア:

[(1, 257662977), (3, 85887659), (11, 23423907), (13, 19820229), (33, 7807969), (39, 6606743), (47, 5482191), (141, 1827397), (143, 1801839), (169, 1524633), (429, 600613), (507, 508211), (517, 498381), (611, 421707), (983, 262119), (1551, 166127), (1833, 140569), (1859, 138603), (2949, 87373), (5577, 46201), (6721, 38337), (7943, 32439), (10813, 23829), (12779, 20163)]