255291456

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{189949}}^1$

素因数の和:189971

約数の個数: 56

約数和(自身を含む): 771956800

約数和(自身を除く): 516665344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 189949, 379898, 569847, 759796, 1139694, 1329643, 1519592, 2279388, 2659286, 3039184, 3988929, 4558776, 5318572, 6078368, 7977858, 9117552, 10637144, 12156736, 15955716, 18235104, 21274288, 31911432, 36470208, 42548576, 63822864, 85097152, 127645728, 255291456]

約数ペア:

[(1, 255291456), (2, 127645728), (3, 85097152), (4, 63822864), (6, 42548576), (7, 36470208), (8, 31911432), (12, 21274288), (14, 18235104), (16, 15955716), (21, 12156736), (24, 10637144), (28, 9117552), (32, 7977858), (42, 6078368), (48, 5318572), (56, 4558776), (64, 3988929), (84, 3039184), (96, 2659286), (112, 2279388), (168, 1519592), (192, 1329643), (224, 1139694), (336, 759796), (448, 569847), (672, 379898), (1344, 189949)]