1281138488

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1\times {\mathrm{1279}}^1$

素因数の和:1900

約数の個数: 64

約数和(自身を含む): 2840985600

約数和(自身を除く): 1559847112

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 577, 868, 1154, 1279, 1736, 2308, 2558, 4039, 4616, 5116, 8078, 8953, 10232, 16156, 17887, 17906, 32312, 35774, 35812, 39649, 71548, 71624, 79298, 125209, 143096, 158596, 250418, 277543, 317192, 500836, 555086, 737983, 1001672, 1110172, 1475966, 2220344, 2951932, 5165881, 5903864, 10331762, 20663524, 22877473, 41327048, 45754946, 91509892, 160142311, 183019784, 320284622, 640569244, 1281138488]

約数ペア:

[(1, 1281138488), (2, 640569244), (4, 320284622), (7, 183019784), (8, 160142311), (14, 91509892), (28, 45754946), (31, 41327048), (56, 22877473), (62, 20663524), (124, 10331762), (217, 5903864), (248, 5165881), (434, 2951932), (577, 2220344), (868, 1475966), (1154, 1110172), (1279, 1001672), (1736, 737983), (2308, 555086), (2558, 500836), (4039, 317192), (4616, 277543), (5116, 250418), (8078, 158596), (8953, 143096), (10232, 125209), (16156, 79298), (17887, 71624), (17906, 71548), (32312, 39649), (35774, 35812)]