31020286

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 52563456

約数和(自身を除く): 21543170

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 271, 473, 542, 946, 1331, 2662, 2981, 5203, 5962, 10406, 11653, 23306, 32791, 57233, 65582, 114466, 128183, 256366, 360701, 721402, 1410013, 2820026, 15510143, 31020286]

約数ペア:

[(1, 31020286), (2, 15510143), (11, 2820026), (22, 1410013), (43, 721402), (86, 360701), (121, 256366), (242, 128183), (271, 114466), (473, 65582), (542, 57233), (946, 32791), (1331, 23306), (2662, 11653), (2981, 10406), (5203, 5962)]