261749054

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{2741}}^1$

素因数の和:3128

約数の個数: 32

約数和(自身を含む): 473817600

約数和(自身を除く): 212068546

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 359, 718, 2513, 2741, 5026, 5482, 6821, 13642, 19187, 38374, 47747, 52079, 95494, 104158, 364553, 729106, 984019, 1968038, 6888133, 13776266, 18696361, 37392722, 130874527, 261749054]

約数ペア:

[(1, 261749054), (2, 130874527), (7, 37392722), (14, 18696361), (19, 13776266), (38, 6888133), (133, 1968038), (266, 984019), (359, 729106), (718, 364553), (2513, 104158), (2741, 95494), (5026, 52079), (5482, 47747), (6821, 38374), (13642, 19187)]