689980984

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{1307}}^1$

素因数の和:2188

約数の個数: 64

約数和(自身を含む): 1616060160

約数和(自身を除く): 926079176

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 857, 1307, 1714, 2614, 3428, 5228, 5999, 6856, 9149, 9427, 10456, 11998, 14377, 18298, 18854, 23996, 28754, 36596, 37708, 47992, 57508, 65989, 73192, 75416, 100639, 115016, 131978, 201278, 263956, 402556, 527912, 805112, 1120099, 2240198, 4480396, 7840693, 8960792, 12321089, 15681386, 24642178, 31362772, 49284356, 62725544, 86247623, 98568712, 172495246, 344990492, 689980984]

約数ペア:

[(1, 689980984), (2, 344990492), (4, 172495246), (7, 98568712), (8, 86247623), (11, 62725544), (14, 49284356), (22, 31362772), (28, 24642178), (44, 15681386), (56, 12321089), (77, 8960792), (88, 7840693), (154, 4480396), (308, 2240198), (616, 1120099), (857, 805112), (1307, 527912), (1714, 402556), (2614, 263956), (3428, 201278), (5228, 131978), (5999, 115016), (6856, 100639), (9149, 75416), (9427, 73192), (10456, 65989), (11998, 57508), (14377, 47992), (18298, 37708), (18854, 36596), (23996, 28754)]