251316002

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:2007

約数の個数: 48

約数和(自身を含む): 468348480

約数和(自身を除く): 217032478

約数列:

[1, 2, 7, 14, 19, 38, 49, 71, 98, 133, 142, 266, 497, 931, 994, 1349, 1862, 1901, 2698, 3479, 3802, 6958, 9443, 13307, 18886, 26614, 36119, 66101, 72238, 93149, 132202, 134971, 186298, 252833, 269942, 505666, 944797, 1769831, 1889594, 2564449, 3539662, 5128898, 6613579, 13227158, 17951143, 35902286, 125658001, 251316002]

約数ペア:

[(1, 251316002), (2, 125658001), (7, 35902286), (14, 17951143), (19, 13227158), (38, 6613579), (49, 5128898), (71, 3539662), (98, 2564449), (133, 1889594), (142, 1769831), (266, 944797), (497, 505666), (931, 269942), (994, 252833), (1349, 186298), (1862, 134971), (1901, 132202), (2698, 93149), (3479, 72238), (3802, 66101), (6958, 36119), (9443, 26614), (13307, 18886)]