31049590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21713}}^1$

素因数の和:21744

約数の個数: 32

約数和(自身を含む): 65663136

約数和(自身を除く): 34613546

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21713, 43426, 108565, 217130, 238843, 282269, 477686, 564538, 1194215, 1411345, 2388430, 2822690, 3104959, 6209918, 15524795, 31049590]

約数ペア:

[(1, 31049590), (2, 15524795), (5, 6209918), (10, 3104959), (11, 2822690), (13, 2388430), (22, 1411345), (26, 1194215), (55, 564538), (65, 477686), (110, 282269), (130, 238843), (143, 217130), (286, 108565), (715, 43426), (1430, 21713)]