397788786

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1051}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 910947840

約数和(自身を除く): 513159054

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 163, 258, 326, 387, 489, 774, 978, 1051, 1161, 1467, 2102, 2322, 2934, 3153, 4401, 6306, 7009, 8802, 9459, 14018, 18918, 21027, 28377, 42054, 45193, 56754, 63081, 90386, 126162, 135579, 171313, 189243, 271158, 342626, 378486, 406737, 513939, 813474, 1027878, 1220211, 1541817, 2440422, 3083634, 4625451, 7366459, 9250902, 14732918, 22099377, 44198754, 66298131, 132596262, 198894393, 397788786]

約数ペア:

[(1, 397788786), (2, 198894393), (3, 132596262), (6, 66298131), (9, 44198754), (18, 22099377), (27, 14732918), (43, 9250902), (54, 7366459), (86, 4625451), (129, 3083634), (163, 2440422), (258, 1541817), (326, 1220211), (387, 1027878), (489, 813474), (774, 513939), (978, 406737), (1051, 378486), (1161, 342626), (1467, 271158), (2102, 189243), (2322, 171313), (2934, 135579), (3153, 126162), (4401, 90386), (6306, 63081), (7009, 56754), (8802, 45193), (9459, 42054), (14018, 28377), (18918, 21027)]