12856228

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 29302560

約数和(自身を除く): 16446332

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 67, 77, 89, 98, 134, 154, 178, 196, 268, 308, 356, 469, 539, 623, 737, 938, 979, 1078, 1246, 1474, 1876, 1958, 2156, 2492, 2948, 3283, 3916, 4361, 5159, 5963, 6566, 6853, 8722, 10318, 11926, 13132, 13706, 17444, 20636, 23852, 27412, 36113, 41741, 47971, 65593, 72226, 83482, 95942, 131186, 144452, 166964, 191884, 262372, 292187, 459151, 584374, 918302, 1168748, 1836604, 3214057, 6428114, 12856228]

約数ペア:

[(1, 12856228), (2, 6428114), (4, 3214057), (7, 1836604), (11, 1168748), (14, 918302), (22, 584374), (28, 459151), (44, 292187), (49, 262372), (67, 191884), (77, 166964), (89, 144452), (98, 131186), (134, 95942), (154, 83482), (178, 72226), (196, 65593), (268, 47971), (308, 41741), (356, 36113), (469, 27412), (539, 23852), (623, 20636), (737, 17444), (938, 13706), (979, 13132), (1078, 11926), (1246, 10318), (1474, 8722), (1876, 6853), (1958, 6566), (2156, 5963), (2492, 5159), (2948, 4361), (3283, 3916)]