1281830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 2585088

約数和(自身を除く): 1303258

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 271, 430, 473, 542, 946, 1355, 2365, 2710, 2981, 4730, 5962, 11653, 14905, 23306, 29810, 58265, 116530, 128183, 256366, 640915, 1281830]

約数ペア:

[(1, 1281830), (2, 640915), (5, 256366), (10, 128183), (11, 116530), (22, 58265), (43, 29810), (55, 23306), (86, 14905), (110, 11653), (215, 5962), (271, 4730), (430, 2981), (473, 2710), (542, 2365), (946, 1355)]