681669884

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{2203}}^1$

素因数の和:2514

約数の個数: 48

約数和(自身を含む): 1401109248

約数和(自身を除く): 719439364

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 257, 301, 514, 602, 1028, 1204, 1799, 2203, 3598, 4406, 7196, 8812, 11051, 15421, 22102, 30842, 44204, 61684, 77357, 94729, 154714, 189458, 309428, 378916, 566171, 663103, 1132342, 1326206, 2264684, 2652412, 3963197, 7926394, 15852788, 24345353, 48690706, 97381412, 170417471, 340834942, 681669884]

約数ペア:

[(1, 681669884), (2, 340834942), (4, 170417471), (7, 97381412), (14, 48690706), (28, 24345353), (43, 15852788), (86, 7926394), (172, 3963197), (257, 2652412), (301, 2264684), (514, 1326206), (602, 1132342), (1028, 663103), (1204, 566171), (1799, 378916), (2203, 309428), (3598, 189458), (4406, 154714), (7196, 94729), (8812, 77357), (11051, 61684), (15421, 44204), (22102, 30842)]