2156576444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{6971}}^1$

素因数の和:7154

約数の個数: 48

約数和(自身を含む): 4216665600

約数和(自身を除く): 2060089156

約数列:

[1, 2, 4, 11, 22, 44, 79, 89, 158, 178, 316, 356, 869, 979, 1738, 1958, 3476, 3916, 6971, 7031, 13942, 14062, 27884, 28124, 76681, 77341, 153362, 154682, 306724, 309364, 550709, 620419, 1101418, 1240838, 2202836, 2481676, 6057799, 6824609, 12115598, 13649218, 24231196, 27298436, 49013101, 98026202, 196052404, 539144111, 1078288222, 2156576444]

約数ペア:

[(1, 2156576444), (2, 1078288222), (4, 539144111), (11, 196052404), (22, 98026202), (44, 49013101), (79, 27298436), (89, 24231196), (158, 13649218), (178, 12115598), (316, 6824609), (356, 6057799), (869, 2481676), (979, 2202836), (1738, 1240838), (1958, 1101418), (3476, 620419), (3916, 550709), (6971, 309364), (7031, 306724), (13942, 154682), (14062, 153362), (27884, 77341), (28124, 76681)]