81615688

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2819}}^1$

素因数の和:2890

約数の個数: 64

約数和(自身を含む): 194918400

約数和(自身を除く): 113302712

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 56, 77, 88, 94, 154, 188, 308, 329, 376, 517, 616, 658, 1034, 1316, 2068, 2632, 2819, 3619, 4136, 5638, 7238, 11276, 14476, 19733, 22552, 28952, 31009, 39466, 62018, 78932, 124036, 132493, 157864, 217063, 248072, 264986, 434126, 529972, 868252, 927451, 1059944, 1457423, 1736504, 1854902, 2914846, 3709804, 5829692, 7419608, 10201961, 11659384, 20403922, 40807844, 81615688]

約数ペア:

[(1, 81615688), (2, 40807844), (4, 20403922), (7, 11659384), (8, 10201961), (11, 7419608), (14, 5829692), (22, 3709804), (28, 2914846), (44, 1854902), (47, 1736504), (56, 1457423), (77, 1059944), (88, 927451), (94, 868252), (154, 529972), (188, 434126), (308, 264986), (329, 248072), (376, 217063), (517, 157864), (616, 132493), (658, 124036), (1034, 78932), (1316, 62018), (2068, 39466), (2632, 31009), (2819, 28952), (3619, 22552), (4136, 19733), (5638, 14476), (7238, 11276)]