26881204

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 58605120

約数和(自身を除く): 31723916

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 67, 89, 92, 98, 134, 161, 178, 196, 268, 322, 356, 469, 623, 644, 938, 1127, 1246, 1541, 1876, 2047, 2254, 2492, 3082, 3283, 4094, 4361, 4508, 5963, 6164, 6566, 8188, 8722, 10787, 11926, 13132, 14329, 17444, 21574, 23852, 28658, 41741, 43148, 57316, 75509, 83482, 100303, 137149, 151018, 166964, 200606, 274298, 292187, 302036, 401212, 548596, 584374, 960043, 1168748, 1920086, 3840172, 6720301, 13440602, 26881204]

約数ペア:

[(1, 26881204), (2, 13440602), (4, 6720301), (7, 3840172), (14, 1920086), (23, 1168748), (28, 960043), (46, 584374), (49, 548596), (67, 401212), (89, 302036), (92, 292187), (98, 274298), (134, 200606), (161, 166964), (178, 151018), (196, 137149), (268, 100303), (322, 83482), (356, 75509), (469, 57316), (623, 43148), (644, 41741), (938, 28658), (1127, 23852), (1246, 21574), (1541, 17444), (1876, 14329), (2047, 13132), (2254, 11926), (2492, 10787), (3082, 8722), (3283, 8188), (4094, 6566), (4361, 6164), (4508, 5963)]