31329424

素因数分解:

$2^4\times 7^2\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:560

約数の個数: 60

約数和(自身を含む): 71563500

約数和(自身を除く): 40234076

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 89, 98, 112, 178, 196, 356, 392, 449, 623, 712, 784, 898, 1246, 1424, 1796, 2492, 3143, 3592, 4361, 4984, 6286, 7184, 8722, 9968, 12572, 17444, 22001, 25144, 34888, 39961, 44002, 50288, 69776, 79922, 88004, 159844, 176008, 279727, 319688, 352016, 559454, 639376, 1118908, 1958089, 2237816, 3916178, 4475632, 7832356, 15664712, 31329424]

約数ペア:

[(1, 31329424), (2, 15664712), (4, 7832356), (7, 4475632), (8, 3916178), (14, 2237816), (16, 1958089), (28, 1118908), (49, 639376), (56, 559454), (89, 352016), (98, 319688), (112, 279727), (178, 176008), (196, 159844), (356, 88004), (392, 79922), (449, 69776), (623, 50288), (712, 44002), (784, 39961), (898, 34888), (1246, 25144), (1424, 22001), (1796, 17444), (2492, 12572), (3143, 9968), (3592, 8722), (4361, 7184), (4984, 6286)]