263498256

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{261407}}^1$

素因数の和:261428

約数の個数: 60

約数和(自身を含む): 842779392

約数和(自身を除く): 579281136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 261407, 522814, 784221, 1045628, 1568442, 1829849, 2091256, 2352663, 3136884, 3659698, 4182512, 4705326, 5489547, 6273768, 7319396, 9410652, 10979094, 12547536, 14638792, 16468641, 18821304, 21958188, 29277584, 32937282, 37642608, 43916376, 65874564, 87832752, 131749128, 263498256]

約数ペア:

[(1, 263498256), (2, 131749128), (3, 87832752), (4, 65874564), (6, 43916376), (7, 37642608), (8, 32937282), (9, 29277584), (12, 21958188), (14, 18821304), (16, 16468641), (18, 14638792), (21, 12547536), (24, 10979094), (28, 9410652), (36, 7319396), (42, 6273768), (48, 5489547), (56, 4705326), (63, 4182512), (72, 3659698), (84, 3136884), (112, 2352663), (126, 2091256), (144, 1829849), (168, 1568442), (252, 1045628), (336, 784221), (504, 522814), (1008, 261407)]