281217888

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{139493}}^1$

素因数の和:139516

約数の個数: 72

約数和(自身を含む): 913964688

約数和(自身を除く): 632746800

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 139493, 278986, 418479, 557972, 836958, 976451, 1115944, 1255437, 1673916, 1952902, 2231888, 2510874, 2929353, 3347832, 3905804, 4463776, 5021748, 5858706, 6695664, 7811608, 8788059, 10043496, 11717412, 13391328, 15623216, 17576118, 20086992, 23434824, 31246432, 35152236, 40173984, 46869648, 70304472, 93739296, 140608944, 281217888]

約数ペア:

[(1, 281217888), (2, 140608944), (3, 93739296), (4, 70304472), (6, 46869648), (7, 40173984), (8, 35152236), (9, 31246432), (12, 23434824), (14, 20086992), (16, 17576118), (18, 15623216), (21, 13391328), (24, 11717412), (28, 10043496), (32, 8788059), (36, 7811608), (42, 6695664), (48, 5858706), (56, 5021748), (63, 4463776), (72, 3905804), (84, 3347832), (96, 2929353), (112, 2510874), (126, 2231888), (144, 1952902), (168, 1673916), (224, 1255437), (252, 1115944), (288, 976451), (336, 836958), (504, 557972), (672, 418479), (1008, 278986), (2016, 139493)]