289716028

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{77797}}^1$

素因数の和:77834

約数の個数: 36

約数和(自身を含む): 620828040

約数和(自身を除く): 331112012

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 77797, 155594, 311188, 544579, 1089158, 1478143, 2178316, 2956286, 3812053, 5912572, 7624106, 10347001, 15248212, 20694002, 41388004, 72429007, 144858014, 289716028]

約数ペア:

[(1, 289716028), (2, 144858014), (4, 72429007), (7, 41388004), (14, 20694002), (19, 15248212), (28, 10347001), (38, 7624106), (49, 5912572), (76, 3812053), (98, 2956286), (133, 2178316), (196, 1478143), (266, 1089158), (532, 544579), (931, 311188), (1862, 155594), (3724, 77797)]